短语词组短語boring g rod set 鑽杆裝置boring g rod 鑽杆;鏜杆Boring tool rod size 鏜刀杆尺寸boring rod set 鑽杆裝置trimming boring rod 微調鏜杆boring rod clamp 琯鉗special boring rod 專用鏜杆hollow boring rod 空心鑽杆rod boring 鑽杆鑽進;鑽杆 返回 boring rod