rough file造句

例句与造句

1. The surfaces are filed, first with a rough file to remove the fire stain from the surface, then with a smooth file.
2. To carve the stave you use a drawknife, a rough file, scrapers and sandpaper, and you remove wood bit by bit, bending and testing the stave throughout the process.
3. In addition to these grades, some manufacturers offer rough files ( more coarse than bastard cuts with about 16 teeth per inch ) and dead smooth files ( very fine cut with about 100 teeth per inch ).
4. It's difficult to find rough file in a sentence. 用rough file造句挺难的