reamer bit 中文意思是什麼
reamer bit
解釋
擴孔鉆頭-
This sharpener is applicable to sharpening of such cutting tools as mill cutter, reamer, and drill bit, etc
本磨刀器適用於立銑刀、鉸刀、鉆頭等多中刀具的磨削,結構簡單、操作方便、經久耐用。
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