caoyuguo 发表于 2007-1-22 21:25:34

两级液环式真空泵的装配流程---[维修经历,原创]

<P><FONT style="BACKGROUND-COLOR: #efefef">本人根据前段时间的一次维修经历书写了这个,希望各位师父们多提宝贵意见。</FONT></P>
<P><FONT style="BACKGROUND-COLOR: #efefef"></FONT>&nbsp;</P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center" align=center><SPAN style="FONT-SIZE: 15pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">两级液环式真空泵装配流程</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l1 level1 lfo1; tab-stops: list 21.0pt"><FONT size=3><SPAN lang=EN-US style="mso-bidi-font-family: 宋体"><SPAN style="mso-list: Ignore"><FONT face="Times New Roman">一、</FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">安装大叶轮到轴上,注意旋转方向为:从电机端看顺时针旋转。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l1 level1 lfo1; tab-stops: list 21.0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN></FONT>&nbsp;</P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l1 level1 lfo1; tab-stops: list 21.0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;图1</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l1 level1 lfo1; tab-stops: list 21.0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN></FONT>&nbsp;</P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /><v:shapetype id=_x0000_t75 stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" o:preferrelative="t" o:spt="75" coordsize="21600,21600"><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:connecttype="rect" gradientshapeok="t" o:extrusionok="f"></v:path><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l1 level1 lfo1; tab-stops: list 21.0pt"><FONT size=3><SPAN lang=EN-US style="mso-bidi-font-family: 宋体"><SPAN style="mso-list: Ignore"><FONT face="Times New Roman">二、</FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">将中间间隔室放于支撑座上,将带有大叶轮的轴传入间隔室中。然后将带有循环水入口的前泵端放于大叶轮上,压好填料,装好填料压盖(注意此时先不安装大叶轮筒)。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l1 level1 lfo1; tab-stops: list 21.0pt"><FONT size=3><SPAN lang=EN-US style="mso-bidi-font-family: 宋体"><SPAN style="mso-list: Ignore"><FONT face="Times New Roman">三、</FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">将电机端轴承支架装入,与前泵端用螺栓固定好。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l1 level1 lfo1; tab-stops: list 21.0pt"><FONT size=3><SPAN lang=EN-US style="mso-bidi-font-family: 宋体"><SPAN style="mso-list: Ignore"><FONT face="Times New Roman">四、</FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">测量调整轴承的安装位置,既确定了前泵端与大叶轮的端面工作间隙。这一步比较关键所以详细说明:</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><v:shape id=_x0000_s1026 style="MARGIN-TOP: 0px; Z-INDEX: 1; LEFT: 0px; MARGIN-LEFT: 270pt; WIDTH: 127.5pt; POSITION: absolute; HEIGHT: 148.5pt; TEXT-ALIGN: left" type="#_x0000_t75"><FONT size=3><v:imagedata o:title="2" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image003.jpg"></v:imagedata><?xml:namespace prefix = w ns = "urn:schemas-microsoft-com:office:word" /><w:wrap type="square"></w:wrap></FONT></v:shape><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;</SPAN></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">如图:测量尺寸必须满足</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">尺寸</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">A</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">必须小于尺寸</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">B</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">,</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">10~20</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">丝。此</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>此尺寸便是前泵端与大叶轮的端面工作间隙。</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>如果尺寸不合适,可以通过加铜垫片的方式解决,</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>直到达到此要求间隙尺寸。</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3></FONT></SPAN>&nbsp;</P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3></FONT></SPAN>&nbsp;</P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>图2</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN lang=EN-US><o:p><FONT face="Times New Roman" size=3>&nbsp;</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN lang=EN-US><o:p><FONT face="Times New Roman" size=3>&nbsp;</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN lang=EN-US><o:p><FONT face="Times New Roman" size=3>&nbsp;</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN lang=EN-US><o:p><FONT face="Times New Roman" size=3>&nbsp;</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 26.25pt; TEXT-INDENT: -26.25pt; mso-char-indent-count: -2.5"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>五、安装好轴承,索紧螺母(为反丝),紧好轴承压盖。此时大叶轮应该可以与前泵端有</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 17.95pt; mso-char-indent-count: 1.71"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>对转动。如果不合适,重新反到上一步,调整好间隙继续。</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-char-indent-count: -2.0"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">六、安装好泵的连轴器,将泵倒置。然后确定大叶轮筒两端面的垫子尺寸。可用两种方法测量确定。要求端面工作间隙</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">20</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">丝左右。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 54.8pt; TEXT-INDENT: -36pt; mso-list: l0 level1 lfo2; tab-stops: list 54.8pt"><SPAN lang=EN-US style="mso-bidi-font-family: 宋体"><SPAN style="mso-list: Ignore"><FONT face="Times New Roman"><FONT size=3>(1)</FONT><SPAN style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>测量法:直接测量大叶轮端面至前泵端端面的尺寸和大叶轮筒尺寸,确定垫子尺寸。</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 54.8pt; TEXT-INDENT: -36pt; mso-list: l0 level1 lfo2; tab-stops: list 54.8pt"><SPAN lang=EN-US style="mso-bidi-font-family: 宋体"><SPAN style="mso-list: Ignore"><FONT face="Times New Roman"><FONT size=3>(2)</FONT><SPAN style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>试装法:将大叶轮筒装入,然后用直尺与塞尺确定垫子尺寸。</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 42pt; TEXT-INDENT: -42pt; mso-char-indent-count: -4.0"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当间隙过大时,无法加垫片时,可以直接涂密封胶密封。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 17.95pt; TEXT-INDENT: -17.95pt; mso-char-indent-count: -1.71"><v:shape id=_x0000_s1027 style="MARGIN-TOP: 31.2pt; Z-INDEX: 2; LEFT: 0px; MARGIN-LEFT: 162pt; WIDTH: 255pt; POSITION: absolute; HEIGHT: 106.5pt; TEXT-ALIGN: left" type="#_x0000_t75"><FONT size=3><v:imagedata o:title="3" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image004.jpg"></v:imagedata><w:wrap type="square"></w:wrap></FONT></v:shape><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>七、将间隔室装入打实,因为小叶轮为第二级真空叶轮所以小叶轮端的间隔室为吸入口,而大叶轮端的为排气口。在试装时可以先不加间隔室中间垫片,以根据下一步测量数据而选择合适垫片。</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 17.95pt; TEXT-INDENT: -17.95pt; mso-char-indent-count: -1.71"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">八、装入间隔套后,测量间隔套端面与间隔室端面尺寸</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">C,</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">然后再测量叶轮端面到内凹面的尺寸</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">D</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。从而确定间隔室中间垫片尺寸,与间隔套垫子,从而确定出小叶轮端面与间隔室端面的间隙尺寸。一般要求:装好中间垫片后尺寸</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">应大于</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">D</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">,</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">丝左右。因拉紧螺栓时,间隔室中间垫片会收缩一定尺寸。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 17.95pt; TEXT-INDENT: -17.95pt; mso-char-indent-count: -1.71"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN></FONT>&nbsp;</P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 17.95pt; TEXT-INDENT: -17.95pt; mso-char-indent-count: -1.71"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 17.95pt; TEXT-INDENT: -17.95pt; mso-char-indent-count: -1.71"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;图3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 17.95pt; TEXT-INDENT: -17.95pt; mso-char-indent-count: -1.71"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN></FONT>&nbsp;</P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 17.95pt; TEXT-INDENT: -17.95pt; mso-char-indent-count: -1.71"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN></FONT>&nbsp;</P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 17.95pt; TEXT-INDENT: -17.95pt; mso-char-indent-count: -1.71"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>九、装入小叶轮后,从小叶轮端看转向正好为逆时针转,锁紧螺母为正丝,锁紧。</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 17.95pt; TEXT-INDENT: -17.95pt; mso-char-indent-count: -1.71"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">十、确定小叶轮筒两端垫片,方法可以用前第六步所讲的方法。要求端面工作间隙</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">20</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">丝左右。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 17.95pt; TEXT-INDENT: -17.95pt; mso-char-indent-count: -1.71"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>十一、装入小叶轮筒,后泵端,用螺栓把紧。然后装入填料,轴承室,轴承及轴承盖。试转应无太大阻力。</FONT></SPAN></P>
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老鹰 发表于 2007-1-22 21:46:01

Re: 两级液环式真空泵的装配流程---[维修经历,原创]

向楼主表示敬意。原创心得,工程师的习惯。

caoyuguo 发表于 2007-1-22 21:53:01

Re: 两级液环式真空泵的装配流程---[维修经历,原创]

希望更多的老师们给纠错

nzm 发表于 2007-4-2 23:13:23

Re: 两级液环式真空泵的装配流程---[维修经历,原创]

致敬

zhangguoxu 发表于 2007-5-6 10:36:24

Re: 两级液环式真空泵的装配流程---[维修经历,原创]

敬礼,经验是最可贵的。

lovely 发表于 2007-5-7 13:26:16

Re: 两级液环式真空泵的装配流程---[维修经历,原创]

不错
机械的人员
喜欢的就是从实践中寻找问题,从实践中总结问题

jthlining 发表于 2007-6-27 18:56:17

Re: 两级液环式真空泵的装配流程---[维修经历,原创]

原创的的

hcyang 发表于 2007-6-28 13:09:30

Re: 两级液环式真空泵的装配流程---[维修经历,原创]

能够做到总结,是机械维修工程师的一大乐趣,如果能够总结经验是一大成就。

片断 发表于 2007-11-10 17:28:53

这样的帖子很好

孙朝晖 发表于 2008-4-26 12:56:24

这样就可熟悉设备了,拆装熟练了
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