1807| 6
|
油滴到旋轉(zhuǎn)的塑料圓筒上會不會繞到圓筒后面 |
| ||
點評
就是圓筒繞其外面一點做圓周運動,圓筒本身不自轉(zhuǎn),圖示位置落一滴油會不會繞道背面去
| ||
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, 2024-11-16 08:49 , Processed in 0.053094 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.