机械搅拌澄清池内停留时间为()h。
A、0.5
B、0.8~1.0
C、1.0~1.2
D、1.2~1.5
参考答案:D
____ by his grandparents, Jimmy wasn’t used to living with his parents.
A.To bring up
B.To be brought up
C.brought up
D.Being brought up
华远电茶炉使用中控制电路部分无故障,但始终出温水或冷水是什么原因?