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。
2
The bed test of diesel engine indicated that the optimized dry blasting steel grit and arc spraying technology was feasible to repairing crankshaft.
发动机台架试验结果表明，优化干喷钢砂电喷涂工艺规范用于修复曲轴是可行的。
3
This system can be used in a wide variety of blasting operations including coating removal, blending, peening, gritblasting and general purpose blast finishes.