43.請問M8×1.25之雙線螺紋每旋轉一圈,其導程為何?
(A) 0.75mm
(B) 1.25mm
(C) 2.5mm
(D) 6mm
答案:登入後查看
統計: A(40), B(215), C(1402), D(23), E(0) #1447921
統計: A(40), B(215), C(1402), D(23), E(0) #1447921
詳解 (共 4 筆)
#4448667
雙線螺紋
2
0