18792| 39
|
熱鍍鋅過程中如何防止管道的螺紋不被鍍鋅 |
| ||
發(fā)表于 2017-10-8 16:35:05
|
顯示全部樓層
| ||
| ||
| ||
發(fā)表于 2017-10-8 16:59:59
|
顯示全部樓層
點評
也不錯哦!
| ||
| ||
小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
GMT+8, 2024-10-31 01:30 , Processed in 0.060687 second(s), 22 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.