insulation grade

基本解释

The processing time can be obviously shortened, insulation grade can be increased.
它明显地缩短了工艺时间，提高了绝缘等级。
To deal with corrosion at weld joint, shielded inert gas are will be used and the insulation grade raised.
采用非熔化极惰性气体保护焊，并提高焊口绝缘等级，克服焊口的晶间腐蚀。
Department of the Air Self-cooling, with a small size, light weight, heat insulation, high-grade characteristics.
系空气自冷式，具有体积小、重量轻、绝缘耐热、等级高的特点。