ammonia refrigerant 氨冷冻剂...refrigerant a.冷冻的,冷却的,清凉的n....refrigerant reducing orifice 冷媒节流孔板...refrigerant oil 冷冻机油...refrigerant bypass 冷媒旁路...refrigerant pump 冷媒泵...refrigerant return pipe 冷媒回流管...
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