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...
In transaction curtailment study, different transaction curtailment models using different types of curtailment objectives.在交易裁减的研究中, 不同的交易裁减模型采用了不同类型的裁减目标.He was always in the middle of a business transaction.他总是忙着做生意。T...
It would never do to have Henry there in her apartment.亨利呆在她的公寓里怎么也不合适。Happiness, which had been so elusive in Henry's life, still evaded him.亨利生活中过去一直难以捕捉的幸福仍旧与他无缘。Hampton Court was made over to Henry VIII as a pre...
刺耳的忠告不会收效,他们就像总是被铁砧弹回的铁锤.Harsh counsels have no effect: they are like hammers which are repulsed by the anvil.皮球击中门柱反弹越过后退的科尔,格哈利把弹回的球削到远柱.Ghaly chips the rebound off the post over the retreating Cole and against the far...