短語詞組短語rotary rock -drill 鏇轉(zhuǎn)鑽石機Rock -drill 鑿巖機electric rock rotary drill 巖石電鑽rock core drill 鑽取巖心樣品;巖心鑽rock rotary drill 巖石鑽rock electric drill 巖石電鑽rock -drill dust exhauster 鑿巖機乾式捕塵器soft -rock k drill 軟巖鑽機 返回 rock drill