|
1948| 0
|
锡青铜离心轴套铸件喇叭形气孔的问题---请教 |
小黑屋|手机版|Archiver|机械社区 ( 京ICP备10217105号-1，京ICP证050210号，浙公网安备33038202004372号 )
GMT+8, 2024-11-27 01:35 , Processed in 0.045504 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.
发表于 2008-12-18 15:39:36