screw threads in general 中文意思是什麼
screw threads in general
解釋
螺紋綜合-
Iso inch screw threads - general plan and selection for screws, bolts and nuts - diameter range 0, 06 to 6 in
Iso英制螺紋.直徑與螺距系列及螺釘螺栓和螺母的選用系列.直徑范圍0 . 06英寸6英寸
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