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torrential flood and debris flow drainage works
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torrential flood and debris flow drainage works
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农学
水土保持工程措施
释
torrential flood and debris flow drainage works
山洪及泥石流排导工程
在山区沟道内及荒溪冲积扇上,为防止山洪及泥石流冲刷和淤积灾害而修筑的排洪沟或导流堤等建筑物。又称排洪道、导流堤。
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