... petrochemical manufacture 石油化学产品的生产 petrochemical materials 石油化工原料 petrochemical odors 石油化学产品的气味 ...
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"If we take CO2, we replace half the petroleum component in the material," Shepard says. "It’s a much lower cost than any petrochemical materials."
“取走二氧化碳后，我们会取代材料中一般的石油成分，”Shepard说道，“这可比其他任何石油化学材料的成本低得多。”
You would be delighted to know that since 1960 we have been one of the main importers of raw materials for plastic and petrochemical manufacturers. Now we are interested in the following items.
想必贵公司当欣于知道，自从1960年以来，本公司即为塑料和石油化学物品制造商的原料主要进口商。
Many of the raw materials used in the petrochemical industry are unsaturated hydrocarbons, such as ethylene, propylene, butene and butadiene.
在石油化学工业中所用的许多原料是不饱和烃类，如乙烯、丙烯、丁烯和丁二烯。
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