词汇	crest vertical curve
释义	crest vertical curve n.凸形竖曲线
随便看	Producing base producing base material producing base material for photographic films producing building drawing producing by chemical surface treatment producing by fluid pressure producing by stretching over a curved surface producing by vacuum producing capacity producing carbon dioxide fertilizer producing cashmere producing cause producing cell producing characteristic producing cold quantity producing cold store producing colloid gene Producing combining teaching with research producing company producing concrete perforated brick producing conditions producing contact pressure producing copper sulfate technology producing cost producing cost centers