Particularly the central heating system is still in use 50 years of the 20th century old design.

特别是中央供热系统，目前仍然在使用20世纪50年代的老式设计。

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A modification of measurement in the central heating system is inevitable with the exploitation and popularization of new technologies in heating measurement.

随着集中供热系统供暖热计量技术的开发及推广，旧有集中供暖系统的计量改造势在必行。

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A distributive wireless measurement and control system is developed for features of city central heating network. The structure, functions and software of the system are introduced.

针对城市集中供热同特点，开发了一套分布式无线测控系统。文中介绍了系统结构、功能及软件设计等。

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By sucking 55-degree heat out of the ground and concentrating it, the heat pump is able to deliver 110-degree heat into the warm air ducts of a central heating system.

FORBES: Underground Cash

We had reported earlier in the year that the chapel had originally opened in 1811, but was now threatened with closure because it needed a bit of tlc in the form of a new fire escape, a new boiler and a central heating system which could ward off the oncoming winter.

BBC: Lancashire - A visit to Dalehead Chapel