[问答题,简答题] 空调系统一般均的组成是什么？

电泵入口压力低开关定制为（） ["0.6MPA","0.5MPA","0.4MPA","0.7MPA"] 电泵润滑油压力低开关定值为（） ["0.08MPA","0.07MPA","0.05MPA","0.04MPA"] 什么是压差继电器？ 低加解列（）S后判断为RB失败 ["2000S","1000S","1500S","2500S"] 汽泵前置泵停止时，延时（）跳汽泵 ["2S","3S","4S","无延时"] 空调系统一般均的组成是什么？