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單項(xiàng)選擇題

What separate the high pressure side from the low pressure side in a refrigeration system?（）

A.Condenser and thermal expansion valve
B.King and solenoid valves
C.Compressor and thermal expansion valve
D.Condenser and solenoid valve

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單項(xiàng)選擇題

Which of the following best describes “overcharge of refrigerant”?（）

A.Too much refrigerant
B.Too little refrigerant
C.Refrigerant is ran out
D.Running is over

單項(xiàng)選擇題

The presence of air in the condenser of a refrigeration system will （） the condensing pressure.

A.increase
B.reduce
C.maintain constant
D.None of the above is true

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