设对称式锥齿轮差速器壳的转速为n0,左、右两侧半轴齿轮的转速分别为n1和n2,则有()
A.n1 n2=n0
B.n1 n2=2n0
C.n1 n2=1/2n0
D.n1=n2=n0
正确答案:n1 n2=2n0
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