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.

虹吸管是作为船坞灌水排水的一种新型式，具有结构简单、防冰防沙、断流迅速的优点。

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Dual fireproof oil reservoirs should be designed, and the oil inlet height should not be lower than that of the water outlet to siphon oil in and drain water off.

防火油池应进行双池设计，两池中进油口和出水口不应同高或进口低于出口，这样才能形成虹吸排水贮油现象；

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But mindful of a barrage of criticism following last year's festival, festival organiser Michael Eavis - who has announced the festival will continue for a further five years - has spent the last six months working on new drainage channels to siphon off excess water.

BBC: Warm start for Glastonbury