With the equipments of lab and diathermancy theorem , it can be observed and analyzed, and its characteristics and law can be known well.By the way, its preponderance can be exerted to the full.

• 借助实验设备和传热学原理对其进行观察、分析,掌握其特点和规律,在使用中可充分发挥自然气化的优势。