4870| 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(shuō)啊,,
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點(diǎn)評(píng)
也可以說(shuō)是凸輪吧,,我們習(xí)慣叫偏心軸
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