1·The technical retrofitting measures for pyrite-based sulphuric acid plant are introduced with respects to fluidized-bed roasting, cleaning, drying and absorption and conversion and energy savings.
介绍了硫铁矿制酸装置沸腾焙烧、净化、干吸、转化和节能等方面的技改措施。
2·With this system, good effect has been gained in technical reformation of a big tire retrofitting and carving machine.
用该系统对一种大型轮胎翻修刻花机进行技术改造，取得了良好的效果。
3·The feasibility and effectiveness of the reactive power compensation retrofitting for the low voltage gird of an area are illuminated, as well as the steps and technical difficulties of the retrofit.
介绍了对低压局域电网进行低压集中无功功率补偿改造的可行性和有效性，以及进行此类改造的工作步骤和技术细节。
4·The technical and economic analysis and economic efficiency prediction of different retrofitting method are analyzed with example.
以工程实例详细进行了不同改造方案的技术经济分析及经济效益预测。