7011| 12
|
什么是調(diào)質(zhì)? |
| ||
| ||
| ||
| ||
評分
| ||||||||
點評
為何要選Cr12?硬度HRC33-45,起何作用?還不如40Cr調(diào)質(zhì)HRC33-45!且價格低!
| ||
| ||
| ||
Archiver|手機版|小黑屋|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, 2025-8-18 23:08 , Processed in 0.072338 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.