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After the storm, debris jammed the flap gate, causing the culvert to back up.
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After the storm, debris jammed the flap gate, causing the culvert to back up.
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Related words
flap gate
Noun
Japanese Meaning
管路（カルバート）内に設置され、水の流れを一方向にのみ許す装置。特に、低潮時に沿岸湿地から表流水を排出するために使用される。
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