上、下 – phrases

Terms for subject Refrigeration containing 上、下 | all forms

Chinese	English
上行下给式蒸汽重力供暖系统	steam heating down-feed gravity system
下供液或上供液	down-feed or up-feed
下行上给式供暖系统	upfeed heating system
下行上给式蒸汽供暖系统	steam heating up-feed system
双管上行下给式热水供暖系统	two-pipe hot water down feed system