check-valve nozzle是什么意思，check-valve nozzle的翻译，check-valve nozzle音标、读音、用法和例句

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check-valve nozzle是什么意思，check-valve nozzle的翻译，check-valve nozzle音标、读音、用法和例句_流逝汉英词典

check-valve nozzle

基本解释

专业释义

机械工程