The research proved that the copolymer have very good pour point depressing effect on paraffin-base crude oil. It is a new kind of pour depressor.
研究表明，该共聚物对某些含蜡原油有很好的降凝作用，是一种新型的原油降凝剂。
The research proved that the copolymer have very good pour point depressing effect on paraffin-base crude oil. It is a new kind of pour depressor.
研究表明，该共聚物对某些含蜡原油有很好的降凝作用，是一种新型的原油降凝剂。
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