A.100,1 B.100,2 C.200,1 D.200,2
A.t/10 B.t/10且不大于3 C.3 D.t/10且不大于5
A.2個(gè),0.1mm B.1個(gè),0.5mm C.2個(gè),0.5mm D.3個(gè),0.1mm