返: return出: used as a complement液: liquid; fluid; juice流通: circulate道: road; way; route; path液流通道: flow passage返出液: returning fluid返出液旁通: return bypass采出液流: production stream使血液流通: render the blood circulating液流通量: fluid-in-flux液流通路: flow channel返出: reversing out潮流通道: tidal inlet回流通道: return flow line汇流通道: busway; highway排流通道: uptake of exhausting gas and stream气流通道: air duct汽流通道: steam flow path热流通道: heat passage水流通道: water communication涡流通道: eddy current channel泄流通道: current by pass leakage channel溢流通道: overflow channel直流通道: direct current channel