The combined heating of radiant floor heating system with other systems has obvious advantages in energy-saving and environmental protection, with a great development potential.
地板辐射供暖系统与多系统联合供暖在节能、环保方面优势明显，发展潜力大。
Sewage source heat pump systems are environmental protection, high efficiency and energy saving.
污水源热泵是高效的环保节能系统。
A modular system of components permits the configuration of supply and disposal systems which also meet the highest requirements with respect to economical operation and environmental protection.
模块化的组件方案使得设备系统的设置能够满足经济性和环保的最大要求。
The key to realize an effective control on the industrialization in our country is to form 4 control systems: science and technology, population and employment, resources and environmental protection.
实现对我国工业化的有效调控，关键在于形成四大调控体系：科技调控、人口与就业调控、资源调控、环保调控。
It brings forward a new way to the energy saving and environmental protection of air-conditioning systems. The main research contents of this paper are as following:1.
主要研究内容如下：1．对现有的地源热泵埋管换热器传热模型、设计方法进行对比分析。
It brings forward a new way to the energy saving and environmental protection of air-conditioning systems. The main research contents of this paper are as following:1.
主要研究内容如下：1．对现有的地源热泵埋管换热器传热模型、设计方法进行对比分析。
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