危险物质专科科长head: n. 1.头,头部,首。 2.头脑,才能;智力,想像力, ...branch: n. 1.(树)枝〔泛指大枝或小枝;bough 特指大枝 ...head hazmat branch: 危险物质科科长head fire fighting specialist branch: 消防专科科长hazmat: 灾变应急部队下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:head hazmat specialist branch,即可在微信中查询翻译