So you could have problems with more than one thermostat, heating element, fan, or set of ductwork.
丹:所你可能会遇到不止一个恒温器、加热元件、风扇或一套管系统的问题。
Here we're talking about installing heating systems. Dan says, " So you could have problems with more than one thermostat, heating element, fan, or set of ductwork." Dan is listing, conveniently, different parts of a heating system.
这里,我们谈论的是安装供暖系统。丹说,“所你可能会遇到不止一个恒温器、加热元件、风扇或一套管系统的问题。 ”丹正方便地列出供暖系统的不同部分。