Requirements: Valve must be tight against reverse flow under all pressure differentials.要求: 在所有压差下,阀门对于回流的密封必须紧密.Detectives have run into a conspiracy of silence in the tight-knit communities of the peninsula.侦探们犯了难，半岛上各...
最简单的碎布地毯是由碎布条编在一起制成的。The simplest rag-rugs are made with strips of fabric plaited together.我用沾满油污的碎布擦我的自行车.I use an oily rag to clean my bike with.她收买旧碎布,然后卖了去造纸.She bought old rags which were sold for making paper....
V形或箭头路标表示有向左或向右的急转弯。The chevron or arrow road sign indicates a sharp bend to the left or right.地球的经度是用格林尼治子午线向东或向西的度数来表示的.Terrestrial longitude is measured in degrees east or west of the Greenwich meridian.在计算机图形学中, 只限于指...