防虹吸
网络 防虹吸; 防倒吸; 防吸装置
Building codes may also require anti-siphon or backflow devices, so surface water won´t be pulled back into water lines and residential plumbing.
建筑法规可能还需要防虹吸或回流装置,使地表水不会被拖进水管道线路和住宅回来。
Rain bucket should be tested by hydraulic bucket siphon rain, and with the anti-eddy current device.
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。