A、A.bare
B、B.blank
C、C.hollow
D、D.empty
更多“The refrigerator is（）we must buy some food.”相关的问题
A、stop the refrigerant from flowing B、force the refrigerant to flow C、cause the refrigerant pressure to rise D、cause the refrigerant pressure to fall
A、At the designed operating temperature, the liquid refrigerant charge has changed to a vapor B、The liquid refrigerant tends to collect at the bellows or diaphragm and reduces the valve sensitivity C、The sensing bulb is empty of liquid refrigerant charge at the designed operating temperature D、The sensing bulb is never emptied of liquid refrigerant under normal operating conditions
A、Too much refrigerant B、Too little refrigerant C、Refrigerant is ran out D、Running is over
A、a shortage of refrigerant in the system B、air in the system C、an accumulation of liquid refrigerant in the crankcase D、a shortage of oil in the crankcase
A、a shortage of compressor oil B、warm food in the refrigerator C、excessive condenser cooling water D、a shortage of refrigerant
A、The liquid receiver functions to collect and remove non-condensable gases B、A thermostatic expansion valve is used to control refrigerated space temperature C、Refrigerant temperature in an evaporator is directly related to refrigerant pressure D、Dehydrators must be used continuously in a refrigeration system
A、system is overcharged with refrigerant B、system is low on refrigerant C、discharge valves are leaking excessively D、discharge valves are leaking slightly
A、system is low on refrigerant B、high pressure cutout switch is improperly adjusted C、discharge valves are leaking slightly D、discharge valves are leaking excessively
A、A.the system is fully charged B、B.there is air leaking in from the condenser C、C.ice crystals are forming in the refrigerant D、D.the system contains less than a full charge of refrigerant
A、A.too much refrigerant in the system B、B.oil entrained in the refrigerant C、C.less than a full charge of refrigerant in the system D、D.ice crystals forming in the refrigerant
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