【单选题】The purpose of the low pressure cut-out switch is to _____.
A.
maintain liquid refrigerant at the suction of the compressor
B.
maintain a preset suction pressure to the compressor
C.
start and stop the compressor at preset operating pressures
D.
operate at minimum efficiency
【单选题】If traffic moves at low speeds, the number of accidents is .
【单选题】中国共产党制定全面抗战路线的会议是( )
【判断题】Wear blouse with low cut.
【简答题】a low-cut shoe without straps or toes; 平底便鞋 _____________