The system is reliable, safe, energy-saving, low cost, easy to use and so on.

该系统具有运行可靠、安全、节能、成本低、使用方便等特点。

youdao

The system is reliable, safe, energy-saving, low cost, easy to use and so on.

该系统具有运行可靠、安全、节能、成本低、使用方便等特点。

youdao