Fluidity improver H89 2 (terpolymer) used to depress the pour point of waxy crude oil was synthesized from alkene, fatty acid alkenyl ester and alkenyl amide.是什么意思_Fluidity improver H89 2 (terpolymer) used to depress the pour point of waxy crude oil was synthesized from alkene, fatty acid alkenyl ester and alkenyl amide.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句