在家中安装烟雾探测仪。定期检查和更换电池，加以维护。

Install smoke detectors in your home. Maintain them by checking and changing the batteries regularly.

youdao

在家中安装烟雾探测仪。定期检查和更换电池，加以维护。

Install smoke detectors in your home. Maintain them by checking and changing the batteries regularly.

youdao