![]() |
電機(jī)功率計(jì)算求助 |
| ||
| ||
| ||
點(diǎn)評(píng)
這么大,這么長(zhǎng)呀,你僅僅通過(guò)轉(zhuǎn)筒和二個(gè)輥?zhàn)又g的摩擦就可以讓他轉(zhuǎn)動(dòng)?
| ||
| ||
| ||
Archiver|手機(jī)版|小黑屋|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, 2025-7-19 19:54 , Processed in 0.077558 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.