The cutting edges may be formed by torsioning, cutting, grinding, machining, laser micromachining, or gritblasting.
刃口可通过扭转、切割、磨削、机械加工、激光显微机 械加工或喷钢砂处理形成。
2
For example a work shop or gritblasting area where hot work is considered "normal operation" will not require Permit to work.
例如在喷钢砂处理区域，高温作业是“常规操作”，所以就不必申请作业许可证。
3
This system can be used in a wide variety of blasting operations including coating removal, blending, peening, gritblasting and general purpose blast finishes.