... petroleum revenue tax 石油所得税 petroleum vapor 石油蒸气 petroleum-like hydrocarbon 类石油烃 ...
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石油与水蒸气的混合物 oil-steam mixture
石油化学工业中用冷凝器使烃类及其它化学蒸气冷凝。
The petroleum and chemical industries use condensers for hydrocarbons and other chemical vapours.
因此，本文以石油渣油为原料，通过水蒸气活化、化学活化和类模板法等制备成多孔炭材料。
Thus, we studied the preparation of porous carbons using oil residues as raw materials by traditional steam activation, NaOH activation and template-like method respectively.
液化石油气蒸气爆炸是其储运过程中较易发生且危害极大的一种热力过程。
Vapor explosion of LPG happen frenquently during its storage and transportation, and the consequent damages are usually large.
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