The recovery and utilization of methane will attain the goals of energy saving and production cost reducing .
污水处理厂对沼气进行回收利用，可以达到节约能耗、降低运行成本的目的。
The utility model relates to an energy saving and production increase streamline nozzle device belonging to a new nozzle of the technology engineering field of oil production.
一种节能并增产的流线型喷嘴装置，是属于采油技术工程领域的一种新型喷嘴。
We are engaged in research and development, production and distribution of energy saving lamps and other lighting equipments.
我们所从事的研究和开发，生产和经销节能灯及其他照明设备。
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