A.4200mm B.4400mm C.4800mm D.5000mm
A.4200mm B.4400mm C.4600mm D.5000mm
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