When a refrigeration compressor has develo
题型：单项选择题
问题：
When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should （）.
A.increase the amount of cooling water to the condenser
B.decrease the amount of cooling water to the condenser
C.add more refrigerant to the system
D.remove some refrigerant from the system
