![]() |
請(qǐng)教個(gè)力學(xué)問題 |
| ||
| ||
點(diǎn)評(píng)
剛剛看到,,F(xiàn)5是F的一個(gè)分力,左面墻板也是斜的
| ||
小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
GMT+8, 2025-3-5 00:09 , Processed in 0.060309 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.