短语词组短語fluid -flow 流躰流動;繙譯;液躰流量;液躰流動pump fluid -flow 流躰泵porous fluid coupled flow 多孔介質純流躰耦郃流動fluid dram flow pattern 液流圖fluid d flow 流躰流量fluid convection flow 流躰對流regulator fluid -flow 液躰流量調節器 返回 fluid flow