英语短语词组词汇backflow preventer的音标、释义、翻译、用法及例句-英语短语词组词典

短语	backflow preventer
释义	backflow preventer = vacuum breaker
随便看	stormbirds storm boat stormbound storm-card storm cellar storm cellars storm centre storm centres storm choke storm cloud storm clouds stormcoat stormcock stormcocks storm collar storm cone storm cones storm delta storm door storm doors storm drain storm drains storm drum stormed stormer

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