短語詞組短語diamond core drill bit 金剛石鑽頭sintering diamond trepanning drill 燒結金剛石套鑽diamond electroplated drill 電鍍金剛石鑽頭diamond -drill operator 金剛石鑽機操作員diamond trepanning drill 金剛石套料鑽diamond core drill 金剛石鑽巖機;金剛石打孔鑽;鑽機diamond d drill bit 金剛石鑽頭Electroplated Diamond Core Drill 電鍍金剛石套料鑽Diamond core drill segment 金剛石薄壁鑽刀頭 返回 diamond drill