3696| 8
|
渦輪是如何磨損的,? |
| ||
相關(guān)帖子
|
||
| |
| |
| ||
| ||
點(diǎn)評
"一般的蝸桿用的是錫青銅",汗,!哪個老師教的,?
| ||
小黑屋|手機(jī)版|Archiver|機(jī)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, 2025-1-16 16:06 , Processed in 0.079797 second(s), 20 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.