A.先關閉冷卻水泵后關閉冷機B.先關閉冷卻水泵后關閉冷凍水泵C.先關閉冷卻塔風機后關閉冷卻水泵D.先關閉冷機后關閉冷卻水泵E.先關閉冷卻塔風機后關閉冷凍水泵
A.新風風管B.新風井C.活塞風井D.排風風管E.排風井
A.聚氨酯風管B.酚醛風管C.玻鎂風管D.混凝土風道E.鍍鋅鋼板風管