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| English | Chinese |
| Bay Area Air Pollution Control District | 美国旧金山海湾地区空气污染控制区 |
| Bay Area Pollution Control District | 美国墨西哥海湾地区污染控制区 |
| district heating The supply of heat, either in the form of steam or hot water, from a central source to a group of buildings | 区域供热 (从中央能源以蒸汽或者热水的形式为一组建筑供给热能。) |
| district heating plant Plant for heating all houses in a district; it consists of a large, efficient, centralized boiler plant or "waste" steam from a power station. The heat is distributed by means of low-pressure steam or high-temperature water to the consumers | 区域性供热厂 (在一个区域中给所有住户提供暖气的工厂；它是由一个大型、高效的中央锅炉车间组成，或是利用发电厂的废蒸气。热气经由低压蒸汽或高温热水传送至消费者。) |
| fire district | 防火区 |
| mining district A district where mineral exploitation is performed | 采矿区 (在其中进行矿产开采的区域。) |
| South Coast Air Quality Management District | 美国加利福尼亚州南海岸空气质量管制区 |