Replace coal with gas and such cooling is lost.
燃气取代燃煤，这种冷却效力即告消失。
The gas lamp gradually lost ground to electric lighting.
电灯逐步取代了煤气灯。
S in catalyst was lost primarily in the form of COS into tail gas.
尾气中COS为催化剂中硫的主要流失形式。
The gas lamp gradually lost ground to electric lighting.
煤气灯逐渐为电灯所代替。
The gas lamp gradually lost ground to electric lighting.
煤气灯逐渐为电灯所代替。
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