因此,必须选择适当的馏分油,用调合法使它满足市场的要求.And optimum selection of crude types to meet market requirements by blending is necessary.C5馏分油主要来源于石油烃高温裂解制乙烯过程的副产品,随着乙烯工业的发展,乙烯废弃的C5馏分量逐年增大.另一方面,民用燃料需要量颇为可观.C 5 distillate of ethylene access...
...the intimacies of a love scene.恋爱场面的亲昵行为He is exchanging intimacies with his friends.他正在和密友们亲切地交谈.The stiffness of the meeting soon gave way before their popular manners and more diffused intimacies.他们的洒脱不羁和亲密气氛的增加很快驱...