英语词汇“a-frame headgear”的翻译、意思、用法、释义-英汉汉英词典

单词	a-frame headgear
释义	A-frame headgearA字形矿井架A-frame headgearA字形礦井架礦冶工程名詞
随便看	group marketing group mark (gm) group mark{=gm} group marriage group material-flow analysis group material-flow layout group material handling group material planning group matrix group mean group mean centering group medical practice group medicine group member group membership groupment group mentoring program group method group--method group-migration polymerization group mind group; mineral group mixture group mobility group model