A、M9801000 B、M9901000 C、M98P1000 D、M99P1000
A、G85X30.0Y30.0Z5.0R150,4FSO B、G81X30.0Y30.0Z5.0R20Q4F50 C、G81X30.0Y30.0Z5。0R15F50 D、G83X30.0Y30.0Z5.0P,20Q4F50
A.齒輪和鏈輪B.鏈輪和凸輪C.凸輪和三角帶D.三角帶和齒輪