2840| 5
|
起重机上减速器或电动机和机架上的垫板或垫座是怎么加工出来的啊? |
| ||
评分
| ||||||||
小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-11-24 14:02 , Processed in 0.053472 second(s), 19 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.