名词
中文翻译：流向方向的叶片
同义词：
['流向叶片，流向叶片装置例句：1. The flow direction vane is used to control the direction of water flow in a river.（流向方向的叶片用于控制河流中水流的方向。）2. The engineer designed a flow direction vane to improve the efficiency of the pump.（工程师设计了一个流向方向的叶片来提高泵的效率。）']
例句：
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1. The flow direction vane is used to control the direction of water flow in a river.
流向方向的叶片用于控制河流中水流的方向。
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2. The engineer designed a flow direction vane to improve the efficiency of the pump.
工程师设计了一个流向方向的叶片来提高泵的效率。
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3. The flow direction vane is essential for maintaining the stability of the riverbed.
流向方向的叶片对于保持河床的稳定性至关重要。