例句 /

The working temperature of flame retardant and fire resistance materials selected in this products is 150℃ and the oxygen index of the materials is more than 30.

The working temperature of flame retardant and fire resistance materials selected in this products is 150℃ and the oxygen index of the materials is more than 30.

本产品选用的阻燃防火绝缘料,护套料工作温度为150℃,材料氧指数大于30.