反虹吸管 anti-syphonage pipe ; siphonage pipe

反虹吸能力 back siphonage

总反虹吸管 main anti-syphonage pipe ; siphonage pipe

反虹吸气隔 anti-siphon trap ; siphon trap

反虹吸直嘴 anti-siphon P-trap ; trap

反虹吸瓶型气隔 anti-siphon bottle trap ; siphon bottle trap

反虹吸P形气隔 anti-siphon P-trap ; trap

反虹吸作用管 anti-syphonage pipe

反向虹吸管 inverted siphon