單項(xiàng)選擇題

Because the flow rate of supply water pump is too large, oily water separator does not work wellWhich of the following is not the reason?（）

A.the monitoring equipment is out of order
B.separating effect becomes bad
C.inner wall is contaminated
D.separating effect becomes bad and inner wall is contaminated

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單項(xiàng)選擇題

When starting air-conditioner in the winter, we should open（）in sequence.
Ⅰ.alve of warming
Ⅱ.alve of humidifier
Ⅲ.an

A.Ⅲ-Ⅱ-Ⅰ
B.Ⅲ-Ⅰ-Ⅱ
C.Ⅰ-Ⅲ-Ⅱ
D.Ⅱ-Ⅲ-Ⅰ

單項(xiàng)選擇題

The air-conditioner is running in the winter and to be stopped, we should（）

A.close Fan and Humidifier at the same time
B.firstly close Fan and then close humidifier immediately
C.firstly close humidifier and then close Fan immediately
D.firstly close humidifier and then close Fan after 30 seconds

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Because the flow rate of supply water pump is too large, oily water separator does not work wellWhich of the following is not the reason?（）

你可能感興趣的試題

When starting air-conditioner in the winter, we should open（）in sequence. Ⅰ.alve of warming Ⅱ.alve of humidifier Ⅲ.an

The air-conditioner is running in the winter and to be stopped, we should（）

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When starting air-conditioner in the winter, we should open（）in sequence.
Ⅰ.alve of warming
Ⅱ.alve of humidifier
Ⅲ.an