14812| 7
|
塔吊,為什么當(dāng)配重塊不動時,,物體在移動而臂卻沒有傾斜現(xiàn)象,? |
| ||
| ||
答復(fù)
評分
| ||||||||
| ||
| ||
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, 2024-12-29 07:01 , Processed in 0.048019 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.