Its main components include propane, butane and butylene.主要成份是丙烷 、 丁烷、丁烯等.Catalytic oligomerization of remain butylene is a way for enterprises to rebottle andpotentialities for more benefits.剩余丁烯催化齐聚是企业消除瓶颈、挖潜增效的途径.By m...
They could not afford to spoil those maps by careless colouring.若是上色的时候不小心弄坏了那些地图，他们可承担不起。In some places maps are scarce, and are often crudely produced.有些地方很少有地图，而且通常绘制得都很粗糙。It can translate data from maps or remote sen...
Anyone can be an astrologer as long as they are mathematically minded.任何善于运算的人都可以成为占星家。Mathematically, it made sense.从数学的角度而言，这是有道理的。It is possible to model such a system mathematically.做出这种系统的数学模型是可能的....
Works dependably , sincere, can withstand the tremendous pressure, has esprit de corps.做事塌实 、 诚恳 、 能承受大的压力, 具有团结精神.The medical corps were cited for bravery in combat.医疗队由于在战场上的英勇表现而受嘉奖.The press corps was primed to leap ...