单项选择题
A.greater distillate purity through high temperature evaporation
B.cold shocking for scale removal is not required
C.less internal corrosion because of lower brine density
D.less feed-water is required for equal plant capacity
单项选择题 Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressor as a result of （）
单项选择题 Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?（）
单项选择题 In an air conditioning system, low head pressure associated with a reciprocating compressor can be the result of （）