雨水斗应采用经水力测试的虹吸式雨水斗，且带有防涡流装置。
Rain bucket should be tested by hydraulic bucket siphon rain, and with the anti-eddy current device.
设置于屋面上的虹吸式雨水斗，其接触片材质应和屋面防水相对应。
Set up on the roof Siphon rain bucket, the contact piece of roofing material should be and the corresponding material.
设置于天沟内的虹吸式雨水斗应带连接片，连接片材质应根据天沟材质确定。
Set in the days of trench fighting rain syphonic tablets should be connected with connecting material film material should be determined in accordance with Gutter.
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