1.It is often a pre-existing energy use, such as commercial space heating, residential water heating, or an industrial process.
这往往是原有的能源使用，如商业空间供暖，供热水的住宅，或工业生产过程。
2.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。
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.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。
5.The sheer physical area of collector required for space heating applications inhibits flat plate collector use in many situations.
在大多数情况下，房间供暖设施必需的集热器的净物理面积抑制平板集热器的使用。
6.Specification for dedicated LPG appliances - Room sealed LPG space heating equipment for installation in vehicles and boats .
专用液化石油气设施规范。车辆和小艇中安装的房间用密封式液化石油气空间加热设备。
7.No additional space heating system (e. g. central heating), is required thus reducing overall energy requirements.
这样就不再需要额外的供热系统（例如，集中供热）从而从总体上减少了能源消耗。
8.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。
9.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。
10.Safety requirements for temporary and portable space heating devices and equipment used in the construction industry
建筑业用的临时及便携式采暖器件和设备的安全要求