单词	back siphonage preventer
释义	back siphonage preventer vacuum breaker vacuum breaker A backflow preventer which prevents a vacuum in a water-supply system from causing backflow.
随便看	nanaimo bar nanaimo bars nanaimo, british columbia nanaimo, british columbia, canada - cassidy airport nanaimo canada pen spinning community nanaimo canoe kayak club nanaimo city centre association nanaimo & district hospital foundation nanaimo district museum nanaimo district teachers association nanaimo estuary management plan nanaimo family history society nanaimo lost lake bc nanaimo marine rescue society nanaimo oldtimers hockey league nanaimo regional general hospital nanaimo sports car club nanaimo therapeutic riding association nanaimo unique kids organization nanaimo yacht club nanaimo youth services association nanaina nanai people nanais nanaitsy

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。