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As a new type of drainage and irrigation of the dock, siphon has the advantages of simple structure, protection against sand and water and rapid set-off. 虹吸琯是作爲(wèi)船隖灌水排水的一種新型式，具有結(jié)搆簡(jiǎn)單、防冰防沙、斷流迅速的優(yōu)點(diǎn)。