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1·We do also have more complex systems that are used for space heating and they fall into two categories, passive and active heating systems.

我们确实也有更复杂的系统用于空间供暖，它们分为两类，被动供暖系统和主动供暖系统。

2·Space heating means heating the space inside a building.

太阳能供暖指的是给建筑物内部加热。

3·These systems are frequently used for space heating and water heating.

这些系统经常使用于空间供暖与水的加热。

4·Active solar energy systems can also be used to provide space heating in buildings.

主动式太阳能系统还可以用来提供建筑中的室内供暖。

5·The cheap electricity at night can be used for space heating by a thermal storage system.

蓄热式电采暖系统可以利用夜间廉价电供热。

6·The solar space heating is an important area of the renewable energy application in new village construction.

在新农村建设中，太阳能采暖技术是可再生能源利用的重要应用领域。

7·Air systems are primarily limited to forced-air space heating and industrial and agricultural drying processes.

气体系统主要限于强制气体空间供热和工农业烘干处理。

8·Today many homes use solar energy for space heating. There are two general types of solar space heating systems: passive and active.

如今许多的家庭都采用太阳能供暖，其中有两种普遍的太阳能供暖形式：积极供暖与消极供暖。

9·In winter under floor heating is proving comfortable and efficient space heating while top up heating is provided by a wood burning stove.

冬季的地板采暖是舒适而有效的空间供暖手段，而顶部取暖由一个烧木头的火炉提供。

10·Each hot water space heating boiler shall be equipped with a pressure relief valve set to relieve below the maximum boiler working pressure.

每个热水供暖锅炉都必须配置压力安全阀，其设置的泄压压力必须小于锅炉的最大工作压力。