The process has good economic and social benefits due to its better circular utilization of ironmaking sludge.
该工艺实现了炼铁污泥的循环利用，具有明显的经济效益和社会效益。
The circular utilization of the flue gas can lower the air pollution caused by the waste gas exhaust and raise the heat efficiency of furnace and kiln.
又由于烟道废气大部份处于循环利用状态，从而降低了废气排放导致的空气污染，同时避免了废气排放导致的热能损失，可有效提高炉窑的热效率。
This paper discusses the utilization of recycled wood material furniture's present situation, the technologies of circular utilization and the development of new products.
论述了废旧家具回收再利用的现状，循环利用技术以及新产品的开发。
Now the utilization of circular duct becomes more and more popular abroad, but in China the utilization rate of circular duct is only about 20%.
在国外目前圆形风管的使用率都变得越来越普及，而国内的使用比例只有20%左右。
The invention aims to provide a device for rolling circular wires into flat wires, which has high production efficiency and high material utilization rate.
本发明的目的是提供一种生产效率高、材料利用率高的圆丝轧扁丝的设备。
The cooling water is used cyclically so as to achieve circular re-utilization. Therefore, the auxiliary device is a device saving water resources.
冷却水循环使用循环再利用，是一项节约水资源的装置。
The cooling water is used cyclically so as to achieve circular re-utilization. Therefore, the auxiliary device is a device saving water resources.
冷却水循环使用循环再利用，是一项节约水资源的装置。
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