back-siphonage preventer, anti-siphonage device, backflow preventer
【电学】抗虹吸装置(反虹吸防护器、抗真空装置)【生活】防虹吸装置(虹吸预防器、防真空装置)
anti-siphonage device (backsiphonage preventer, anti-vacuum device)
暂无补充释义。
anti-siphonage device (backsiphonage preventer, anti-vacuum device)
暂无补充释义。
back-siphonage preventer, anti-siphonage device, backflow preventer