a central solar heating system的用法和样例：
- Applicability of Central Solar Heating System in Wuhan
- A raised tank or hopper that maintains a constant pressure or supply to a system, especially the small tank that supplies water to a central heating system.
- There is no need to purchase fuel to operate a solar heating system, because sunshine is free to everyone.
- Expounds selection and arrangement of the solar collector, and analyses two forms of the solar heating system.
- They didn't know how to put in a central heating system, but they managed it by trial and error.