The principle and process flow of dewaxing using double membranes were described.阐述了食用油双膜法脱蜡工艺的技术原理及工艺流程.ABout 90 % of the waxes in commerce are recovered by dewaxing petroleum.工业用蜡中约有90%是由石油中回收的.Dewaxing with over - tem...
The sex of the embryo is predetermined at fertilization.胚胎的性别早在受精时就决定了。...an ideal system for studying the development of the embryo...研究胎儿发育过程的理想方法Metabolic activity quickly develops in the cells of the embryo and the a...
By 9, the juniors are in the hall for assembly.到9点时，三年级学生都在大厅里等待参加晨会。Most of the senior boys are going steady with juniors and sophomores.四年级的男生大都总是要同三年级和二年级的学生一起去的.The seniors defeated the juniors by 3 - 1.四年级学生以三比一战胜了三...
售货处塞的家具太多了.Too much furniture had been crowded into the salesroom.购买者涌进售货处.The buyers crowded into the salesroom.购买者涌进售货处。The buyers crowded into the saleroom....
土地一片平坦,战士无法躲避敌方的炮火.The flat land gave the soldiers no cover from enemy fire.面对敌方的毁灭性火力,他们撤退了.They retreated in the face of withering enemy fire.心理战.用于影响友方 、 中立方和敌方的心理.Psychological warfare, used to influence the minds of...