常見例句雙語例句According to the composition of Category: paraffin-based crude oil, naphthenic oil and three types of intermediate base crude oil;按組成分類：石蠟基原油、環(huán)烷基原油和中間基原油三類；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，該共聚物對某些含蠟原油有很好的降凝作用，是一種新型的原油降凝劑。It has introduced the property of paraffin-base crude and deeply researched technology of the construction asphalt number 10 that was prepared by paraffin-base crude.詳細介紹了石蠟基原油性質(zhì)，對利用石蠟基原油研制10號建築瀝青工藝進行了深入研究。 返回 paraffin base crude