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Some refrigeration systems have chemical moisture indicators installed in conjunction with the sight glass in the liquid lineIf excess moisture is present in the system, the indicator will （）

A、activate the driers

B、change color

C、secure the compressor

D、add a predetermined amount of liquid drier

时间：2022-01-03 23:12 关键词： 船舶电气与船舶安全

答案解析

B