英语词汇“downcast shaft”的翻译、意思、用法、释义-英汉汉英词典

单词	downcast shaft
释义	downcast shaft进风井 ; 入风井downcast shaft進風井 ; 入風井礦冶工程名詞
随便看	alum potassium chrome alum precipitate alum precipitated toxoid alum precipitated toxoid，apt alum rock alum root alumroot alums alum salt alum salts alum schist alum schist、alum shale alum shale alumshale alum shale, alum-shale, alumslate alumslate alum-- soda alum; soda alum-- sodium alum; sodium alumstone alum tannage alum tanning alum used as size alumyte