“trepanning tool”的概念、定义、翻译、参考文献-科学参考

单词	trepanning tool
释义	trepanning tool [trǝ`pan·iŋ ´tül] ^{MECHANICAL ENGINEERING} A cutting tool in the form of a circular tube, having teeth on the end; the workpiece or tube, or both, are rotated and the tube is fed axially into the workpiece, leaving behind a narrow grooved surface in the workpiece.
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