emergency valve
词语： emergency valve
解释： 安全阀,紧急阀
词典： 消防专业英汉词典
emergency valve 相关解释
emergency valve 〔名词〕应急阀
emergency valve 〔名词〕紧急阀
emergency valve 〔名词〕事故阀
emergency valve 〔名词〕事故阀
emergency valve 〔名词〕安全阀;n.事故阀,紧急阀
emergency valve 〔名词〕安全阀,应急阀
emergency valve 〔名词〕安全阀