Pipes convey hot water from the boiler to the radiators.

管道把热水从锅炉输送到暖气片。

You can preset the radiators to come on when you need them to.

你可以预先调好暖气，使它在你需要的时候启动。

The radiators began their quiet hissing.

散热器也开始了发出轻轻的嘶嘶声。

Most modern cars use aluminum radiators.

大多数汽车使用铝散热器。

Install thermostatic valves on your radiators.

在散热器上安装温控阀。