The thermostatic valve has a throttling action, that is to say the valve can()
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、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、 ${vals.2 } B、 ${vals ["2"]} C、 ${vals.index } D、 ${vals[index]} E、 ${vals} [index] F、 ${vals.(vals.index)} H、 ${vals[vals[index-1]]}
A、${vals.2} B、${vals["2"]} C、${vals.index} D、${vals[index]} E、${vals}[index] F、${vals[vals[index-1]]}
A、A.等价于VAL(‘A’,END)+A的回零后值-A的回零前值-VAL(‘A’,BEG) B、B.等价于VAL(‘A’,END)+A的回零后值+A的回零前值+VAL(‘A’,BEG) C、C.等价于VAL(‘A’,END)-A的回零后值-A的回零前值+VAL(‘A’,BEG) D、D.等价于VAL(‘A’,END)-A的回零后值+A的回零前值-VAL(‘A’,BEG)
A、either all the way open or all the way closed B、normally open C、throttled depending on load D、controlled by suction pressure
A、suction pressure regulator B、thermostatic bypass valve C、sea water temperature D、water level in the expansion tank