采用热泵蒸馏技术对橡胶促进剂cbs的废水进行预处理作了探讨和实验。
With the technique of heat pump distillation adopted, the pre treatment of rubber promoter CBS wastewater is studied and tested.
介绍了地板供暖的特点，以及采用太阳能系统供暖、水源热泵系统地板供暖、供冷的工作原理和技术经济情况。
This paper introduces features of floor heating, working principle and technical situation of sun energy heating system and floor heating and cooling system by hot water pumping.
应用推荐