safe edge meaning in Chinese
安全边
边缘遮框
护边
Examples
- Used by millwrights and mechanics for enlarging keyways , slots , etc . , and have one safe edge
主要是为了扩大键槽、槽孔等。同时有一个安全边缘。 - Hand files are used for flat surfaces . files have one safe edge , and are therefore ideal for filing close to shoulder
主要在平面使用。它有一个安全边缘，是最为理想的锉削工具。