车削螺纹时,产生螺距误差、影响误差大小的主要因素是()
(A)主轴回转精度
(B)导轨误差
(C)传动链误差
(D)测量误差
上一篇 A sketch B rough C preliminary D improper
下一篇 According to one belief, if truth is to be known it will make itself ap parent, so o
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