![]() |
45鋼齒輪熱處理后如何檢測硬度是否合格,? |
| ||
| ||
| |
| |
評分
| ||||||||
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(wǎng)安備33038202004372號 )
GMT+8, 2025-2-11 02:09 , Processed in 0.065333 second(s), 21 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.