石油气及其他烃类气。
煤气、水煤气、炉煤气及类似气体，但石油气及其他烃类气除外。
Coal gas, water gas, producer gas and similar gases, other than petroleum gases and other gaseous hydrocarbons.
指原油和以液态形式在井口产出的其他烃类；包括从天然气中回收的凝析液。
Crude petroleum (oil) and other hydrocarbons produced at the wellhead in liquid form; includes distillates or condensate recovered or extracted from natural gas.
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