极限开关与上限位开关之间的越程距离:齿轮齿条施工升降机不应小于(  ),钢丝绳式施工升降机不应小于(  )。

A

0.6m,1m

B

0.15m,0.5m

C

0.3m,0.6m

D

0.1m,0.15m