heat insulator造句怎麼寫

This paper analyzed the test courses which tend to yield error, put forward proposals for advancing test accuracy of heat insulator.

These measures include improvement of oxidation ceramics and heat insulator, mixing high concentration methane and controlling air input.

Suitable for flame retardant, raw materials of high purity and high active magnesium oxide, oil product additive, desulfurate agent of flue-gas, neutralizer of waste water, electron industry, medicine, sugar-refining, heat insulator and food additive.