Technology and application of deep peak load regulation in coal-fired power plants 并列题名：Technology and application of deep peak load regulation in coal-fired power plants Technology and application of in-depth peak regulation for thermal power units Technology and application of phytoremediation in contaminated soil Technology and application of live broadcasting in sports events Technology and application of traceability for food and food contaminants Technology and application of natural gas combined cooling heating and power system Technology and application of power grid anti-icing and de-icing Policy technology and practice on ultra-low emission of coal-fired power plants in China