樓主: 徐建綱
|
為何活塞環(huán)槽上會有這樣的磨損,? |
| ||
| ||
| ||
| ||
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, 2025-1-6 23:15 , Processed in 0.048076 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.