5290| 16
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如何檢測(cè)兩中心線平行? |
點(diǎn)評(píng)
是兩條中心線,檢測(cè)這兩條中心線的位置關(guān)系的,這個(gè)叫法還真不好說啊,
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點(diǎn)評(píng)
也可以說是凸輪吧,我們習(xí)慣叫偏心軸
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