6065| 2
|
请教:不同规格无缝钢管的耐压等级是多少? |
| ||
| ||
发表于 2010-7-29 19:22:16
|
显示全部楼层
| ||
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, 2024-12-23 11:38 , Processed in 0.048448 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.