空调循环系统中，当制冷剂回到压缩机前必须完全气化。

In circulatory system, the refrigerant must be convert became gas before returning to compressor.

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以煤为原料制取城市煤气，要根据煤质、工厂规模、联产化工产品等不同特点，来选择适宜的工艺路线，可以是煤的完全气化，也可以是煤的焦化。

Technological process suitable for coal based city gas should be chosen according to the quality of coal and the scale of the factory and the coproduction of chemical products.

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通过在移动床气化炉的造气实验表明，该气化型焦完全符合工业化造气用煤要求，可替代焦炭作为生产半水煤气的原料。

It has been proved that the formed coke is qualified to be used as industrial gasification coal that produces gas with the formed coke in the moving bed gasify furnace.

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