A dam placed across a river or canal to raise or divert the water, as for a millrace, or to regulate or measure the flow.
堰,拦坝,挡流坝横截流运以提高水位水转向的坝,如用于推动水车,调节测量水流
A dam placed across a river or canal to raise or divert the water, as for a millrace, or to regulate or measure the flow.
堰,拦坝,挡流坝横截流运以提高水位水转向的坝,如用于推动水车,调节测量水流
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