And if you place a cool gas in front of a hotsource, you will see certain patterns which we call absorption lines.
如果你将冷气体置于热源前，你会看到一些特定图形，称之为吸收谱线。
2
The load calculation method, which is the key step for system design and hotsource instrument selection in asphalt mixing plant and storage, is introduced in this paper.
介绍了常见的沥青拌和厂(站)和沥青储库中供热系统设计和热源设备选型的关键—系统的热负荷计算方法。
3
There are many cool hotsource schemes of centralized Air Conditioning systems for selection. The selection is affected by many factors, which should be considered when the best scheme is selected.