🔗 http://mmbiz.qpic.cn/mmbiz/yZGsibuHNg4ut0CicAqIbCHBEkD0F4sqrpg8Y40vxaVeaPbX9nI2I4ntYso0SDY…
- 那是楼上厕所的排风扇,跟暖气没关系。It is three way switch for main bathroom fan(two switches control one fan).
🔗 http://mmbiz.qpic.cn/mmbiz/yZGsibuHNg4ut0CicAqIbCHBEkD0F4sqrpg8Y40vxaVeaPbX9nI2I4ntYso0SDY…