2587| 0
|
1Cr13的油井閥體調(diào)質(zhì)熱處理工藝,硬度HB197-235---請教 |
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, 2025-9-15 18:23 , Processed in 0.056360 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.