8級鉗工也不可能銼出塊規。塊規可以4-5塊接在一起平舉不掉落，加起來的誤差小於0.1um。當然鉗工作品的光潔度也歎為觀止。

來源: Bonegakato 於 2021-07-24 09:50:29 [舊帖] [給我悄悄話] 本文已被閱讀：次

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