|
2427| 0
|
紧急求助：45钢能与27SiMn焊接 |
| ||
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, 2024-11-17 12:22 , Processed in 0.053174 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.
发表于 2009-9-21 09:18:14