flowoutn.流出flown.流动；涨潮；流；流量vi.流动；涌出；飘动；流畅vt.淹没flowability of sand[机] 铸砂流动性flow-tube reactor流动管反应器Flow pattern design流场图形设计flow line technique流水作业法Flow under pressure压力流动flowing colorimeter[化] 流动比色计flow metering valve流量控制阀flowing void effect流空效应flowing gas counter流气式计数管flow duration curve量历时曲线