Its fire resistant mechanism was discussed and application on the plastic board and composition pipe were introduced.

讨论了其防火机理，介绍了其在塑料板材、复合管材上的应用。

youdao

Its fire resistant mechanism was discussed and application on the plastic board and composition pipe were introduced.

讨论了其防火机理，介绍了其在塑料板材、复合管材上的应用。

youdao