A．摩擦起电
B．传导起电
C．感应起电
D．以上都不对
答案：C
RM80清筛车主污土输送带全长约（）。
A、19.07m
B、20.07m
C、21.07m
D、22.07m
The town is _____ with water from a reservoir in the hills.
A．supplied
B．equipped
C．pleased
D．satisfied
