从那以后他们拆掉了简陋的棚屋。They have since knocked down the shack.他们只能住得起贫民区里最简陋的住处.They could only afford the meanest of rooms in a poor area.他们只有些简陋的工具.They only have rude tools....
This article briefly discusses the conveyer with Delta VFD - S series inverter.本文对基于台达VFD-S系列变频器调速的输送机作简要讨论.Even 10 % upper of input voltage , the inverter efficiency is over 94 %.以上的输入, 逆变器的效率都超过94%.The constant current...