该板既轻又防火，在安装技术上解决了强度与安全的问题。

The characteristic of both light and fireproof resolves strength and safe problem in the installation process.

youdao

该板既轻又防火，在安装技术上解决了强度与安全的问题。

The characteristic of both light and fireproof resolves strength and safe problem in the installation process.

youdao