A.直齒圓柱齒輪傳動 B.斜齒圓柱齒輪傳動 C.螺旋齒輪傳動 D.人字齒圓柱齒輪傳動
A.4200mm B.4400mm C.5000mm D.4000mm
A.200mm B.300mm C.350mm D.1100mm