短語(yǔ)詞組短語(yǔ)mine trepan 水雷陷井trepan borer 套孔機(jī)trepan boring 套孔trepan wheel 鑽削頭ensnare trepan 誘入圈套trepan n biopsy 環(huán)鑽活組織檢查trepan saw specimen 筒鋸鋸切試樣 返回 trepan