22192| 58
|
圖中垂直升降的機構(gòu)是什么機構(gòu)? |
| ||
| ||
| ||
點評
是齒輪齒條還是滑動絲?齒輪齒條不自鎖!
| ||
| ||
| ||
| ||
| ||
| ||
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, 2024-9-23 10:23 , Processed in 0.053380 second(s), 19 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.