楼主: xiajuann
|
上升并可锁定的装置设计采用齿轮齿条的好不好?---[请教] |
| ||
| ||
| ||
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, 2024-11-28 11:47 , Processed in 0.058705 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.