The liquid hydrocarbon recovered from casing head gas by adsorption, compression, or refrigeration. Casing head gas is the gas recovered at the surface from an oil well.
Nowadays precision dew point hygrometers are mostly the type of light-electricity detection, thermoelectric refrigeration and specula-surface condensation dew point instrument internationally.
目前国际上的精密露点仪大多为光电检测且热电制冷的镜面冷凝式露点仪。
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AFG comprises five divisions: Heating Technology and Sanitary Equipment, Kitchens and Refrigeration, Windows and Doors, Steel Technology and Surface Technology.