- flow direction vane
- flow-direction meter
- 流向: flow direction
- 仪: appearance; bearing
- 风向仪, 流向仪: flow direction vane
- 直读式流速流向仪: direct reading flow velocity and direction meter
- 流向: flow direction◇流向测量器 flow direction probe; 流向角 [水文] angle of current; 流向图 flow graph; flow diagram; 流向线 flow line
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