1740| 3
|
螺紋塊應該選擇什么材質(zhì) 如何熱處理 |
| ||
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, 2025-2-12 02:27 , Processed in 0.053811 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.