Round File (3rd)是什么意思

中文翻译幼圆锉

网络释义

1)Round File (3rd),幼圆锉2)round off,锉圆3)round file,圆锉4)Flat File (3rd),幼平扁锉5)Square File (3rd),幼方锉6)coarse half round file,粗半圆锉