可修磨直柄丝锥前切削刃和前切削面，螺旋丝锥前切削面。

Can the grinding straight before cutting blade and hilt taps before, spiral taps block block before.

youdao

可修磨直柄丝锥前切削刃和前切削面，螺旋丝锥前切削面。

Can the grinding straight before cutting blade and hilt taps before, spiral taps block block before.

youdao