9653| 39
|
图示机构的原理是什么 |
| ||
| ||
点评
气,液应该都有吧,就看用多大加持力了。
| ||
| ||
| ||
小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-11-17 11:31 , Processed in 0.057660 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.