support of mines井下: in the pit; under the shaft支架: support; stand; trestle; hol ...下支架: lower bracket; undercarriage手套箱下支架: frame,glovebox,lwr地下支架;起重机台架: gantry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:井下支架,即可在微信中查询翻译