ventilator blower switch

例句：

1. 1.The ventilator is the device that helps people breathe when they are in a coma.
   呼吸机是帮助昏迷患者呼吸的设备。
2. 2.The blower is the part of the fan that moves air around.
   吹风机是风扇的一部分，用来移动空气。
3. 3.The switch is the small button on the remote control that controls the light.
   开关是遥控器上的小按钮，用来控制灯光。