烟雾和一氧化碳双报警器的安装 （Smoke & Carbon Monoxide (CO) alarm installation）
Рет қаралды 5,895
Күн бұрын详细地介绍了First Alert 烟雾和一氧化碳双报警器的安装方法。包括：如何找到并关闭电源开关，如何拆卸旧的烟雾报警器，如何拆解和安装电源线，以及如何安装新的报警器等等。
Gave a detail introduction about the installation process of First Alert Smoke & Carbon Monoxide (CO) alarm, including dissembling the old smoke alarm, disconnecting and connecting the electric lines and installing the new smoke & CO alarm.
