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1·You will need to drain the central heating system before you replace the radiator.

你得先把中央供暖系统的水排净再更换散热器。《牛津词典》

2·Building is connected to the central heating system.

建筑与中央供暖系统相连。

3·The central heating system is working satisfactorily.

中央供暖系统运行得很好。

4·Please come and plumb in my new central heating system.

请来帮我接通新的中央供暖系统的水管。

5·They put out for tenders for a new central heating system.

他们招标承办一套新的暖气设备。

6·Have you thought of installing your own central heating system?

你打算自己安装集中供暖系统吗？

7·There seems to be some trouble with the central heating system.

中央供暖系统似乎出了毛病。

8·The newly built community uses a household central heating system.

新建的小区全部实行了分户供暖。

9·The shower can be plumbed into the existing central heating system.

淋浴器可与现有的中央供暖系统接通。

10·If the pressure is too low, the central heating system will act up.

如果压力太低，集中供暖系统就会出毛病。