If a refrigeration compressor is running continuously without lowering the temperature in

职业资格 已帮助 人

If a refrigeration compressor is running continuously without lowering the temperature in the refrigerated space, the trouble may be _____.

A.a shortage of compressor oil

B.warm food in the refrigerator

C.excessive condenser cooling water

D.a shortage of refrigerant

请帮忙给出正确答案和分析,谢谢!

热搜:投资利率系数对is曲线的影响