rapidon.快车rapidadj.短时间发生的；急速的；迅速的；快的；险峻的n.急流；湍滩rapid steamer蒸化机rapid pitching快速俯仰rapid collapse急泻rapid orange R快色素橙Rrapid dividing快速分度rapid movement快速运动rapid cassette快速装片暗盒rapid upstroke快速上升rapid decoking快速烧焦Rapid metallic金属快速成型技术