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DETECTING AND ALLEVIATING FLOODING AND BLOCKED STORM SEWERS
DETECTING AND ALLEVIATING FLOODING AND BLOCKED STORM SEWERS
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机译：检测和减轻洪水和阻塞暴雨下水道
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摘要
A device for detecting and alleviating flooding and blocked storm sewers includes a manhole cover coupled to a float body. The device also includes a canister having a drain hole and a valve. The device also includes multiple guides that can catch onto part of a sewer. The device is configured such that when water flows into the canister, the manhole cover, float body, and guides rise and the valve is opened.
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