单项选择题
Which of following functions is not one of the functions of air conditioner?（）
A.refreshing the air
B.making person upset
C.adjusting the air humidity
D.adjusting the air temperature
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相关考题
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单项选择题
The oil discharge monitoring system in the oil tanker vessels is used for detecting the amount of oil discharged overboard to ensure that it does not exceed（）
A.15 liters nautical mile
B.30 liters nautical mile
C.60 liters nautical mile
D.100 liters nautical mile -
单项选择题
To receive oil residues from the purification of fuel and lubricating oils in the machinery spaces, what kind of tank(s) should be provided on board?（）
A.bilge tank
B.sludge tank
C.overflow tank
D.oil collecting tank -
单项选择题
Which cause of following will not lead to refrigeration plant short-cycle?（）
A.lack of refrigerant
B.refrigerant with much water
C.set defectively low pressure relay
D.no cooling water
