2690| 3
|
工件表面硬度23HRC具體怎么操作能提高硬度到40HRC~46HRC |
| ||
| ||
Archiver|手機(jī)版|小黑屋|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
GMT+8, 2025-7-22 23:40 , Processed in 0.068095 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.