單項(xiàng)選擇題設(shè)對稱式錐齒輪差速器殼的轉(zhuǎn)速為n0,左、右兩側(cè)半軸齒輪的轉(zhuǎn)速分別為n1和n2,則有()

A.n1+n2=n0
B.n1+n2=2n
C.n1+n2=1/2n0
D.n1=n2=n0


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