pitch diameter tolerance symbol

... 节径公差(螺纹) pitch diameter tolerance 节径符号(螺纹) pitch diameter tolerance symbol 节线(齿轮，凸轮) pitch line ...

美英加陆军规格_馆档网 ... "节径公差符号(螺纹)"," pitch diameter tolerance symbol" "节线(齿轮;凸轮)"," pitch line" ...