The food drying plant of the hotpump for experiment was presented, and the primary measured result was given.
主要介绍用于实验的食品热泵干燥装置，并给出了初步测试结果。
2
Constructed a more complete motor to adjust soon system, carry out according to the function request by the hotpump water - heater of the CO_2 work.
构造了一个较完整的电机调速系统，实现了基于CO_2工质的热泵热水器所要求的功能。
3
The article introduces technology application of soil-air type land source hotpump through main building engineering of TangShan institute north school region.