Sequential inspection, one important maintenance mechanism is introduced, and then the paper will illus.
设备点检制是当前重要的设备维修机制之一, 现已被大多数电厂采用并实施.
互联网
In fact, human visional systems mistakenly take the illus ional movements as real ones.
电影的真实的似动,实际上被人类的视觉系统误认为是真动.
互联网