减速器的输入轴与输出轴的转数之比称为（）
A、功率比
B、齿轮比
C、减速器速比
参考答案：C
---Would you like ___________________, Peter?
---Some orange, please.
A．drink something
B．something to drink
C．anything to drink
D．drink anything
两辆货车共运了50吨货物，运得多的比运得少的2倍少22吨，两辆货车各运多少吨货物？
