詞語：countersinking
countersinking的解釋
countersinkingn. 鑽錐坑v. 穿孔（countersink的ing形式）
countersinking的意思
countersinking 锪錐孔;錐型擴孔，喇叭孔;錐形擴孔;錐型擴孔，喇叭孔 （台） 錐形孔;countersinking fixture 鑽埋頭孔夾具;angle of countersinking 劃孔角;
countersinking的參考例句
1.Precision tools for front and back deburring , chamfering and countersinking of bores. 本公司生產精密前、後倒角、去毛刺工具等。
2.Rotating machining tools (cutting), round rods, circular knives circular saws, countersinking tools, turning tips, guide gibs, knife blades. 可轉位加工工具（切削）、圓棒、環刀、圓盤形鋸、鑽孔工具、車刀、導向槽、刀片。
3.Point-to-point systems are suitable for hole-machining operations such as drilling, countersinking, counterboring, reaming , Boring, and tapping. 點位系統適用於鑽孔、锪孔、擴孔、鉸孔、鏜孔、攻絲等孔加工。