A.ws=0.052%,wp=0.042% B.ws=0.048%,wp=0.042% C.ws=0.038%,wp=0.038% D.ws=0.052%,wp=0.04%
A.ws=0.052%,wp=0.042% B.ws=0.048%,wp=0.042% C.ws=0.048%,wp=0.048% D.ws=0.、052%,wp=0.04%
A.螺母 B.齒輪 C.鋼尺 D.曲軸