![]() |
有個(gè)關(guān)于雙齒輪的世界級(jí)難題 |
| ||
| ||
| ||
| ||
點(diǎn)評(píng)
這種傳動(dòng)效率低。
| ||
| ||
| ||
點(diǎn)評(píng)
聽你的不理他了。
| ||
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, 2025-9-18 03:00 , Processed in 0.080248 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.