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,拦河坝,挡流坝横截河流或运河以提高位或使河
转向的坝,如用于推
,调节或测量
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,拦河坝,挡流坝横截河流或运河以提高位或使河
转向的坝,如用于推
,调节或测量
流
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