7305| 10
|
批量精车灰铁铸件时怎样克服硬度不一致带来的尺寸波动 |
| ||
| ||
点评
行业标准号JBT 3997-2011
| ||
| ||
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, 2024-12-24 00:41 , Processed in 0.058291 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.