樓主: zerowing
|
玩一玩數(shù)學(xué)(螺紋) |
點(diǎn)評(píng)
就是螺紋牙受力不均勻。首牙最大,。
| ||
點(diǎn)評(píng)
看懂的時(shí)候就知道實(shí)際意義了,。呵呵。
| ||
| ||
| ||
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, 2025-1-17 04:44 , Processed in 0.055098 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.