Industrial orientation: Oil refining fine chemical industry engineering plastics synthetic rubber.产业定位炼油、乙烯、精细化工、工程塑料、合成橡胶.Macro - defect - free cements have become an important orientation of high performance cementitio...
Suddenly I was cartwheeling down the slope, all orientation gone.突然，我骨碌碌地滚下坡，完全晕头转向了。The course is essentially theoretical in orientation.该课程的目标基本上是理论性的。The winding trail caused the hikers to lose their orientation.蜿蜒的小径...