New technology and application of gas emission initial speed from borehole New technology and application in geotechnical anchorage Key technology and application for power transmission and transformation equipment Technology and application of gas drainage geology Technology and application of gas turbine inlet air filtration system Key technology and application of educational cloud 并列题名：Technology and application of gas drainage geology New technology and application of industrial refrigeration integration Technology and application of phytoremediation in contaminated soil Key technology and application of digital community based on internet of things