7499| 10
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最普通的問題:三角皮帶帶輪的帶槽角度和摩擦力角度問題 |
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點(diǎn)評(píng)
瞎扯,!
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點(diǎn)評(píng)
本結(jié)論不正確,。詳細(xì)見:http://bbs.cmiw.cn/forum.php?mod=viewthread&tid=340180
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