Research and application of smart water saving technology in rural areas 并列题名:Research and application of smart water saving technology in rural areas Research and application of digital reproduction technology in cultural tourism Research and application of dust control technologies in coal harbour Research and application of hot in-place recycling technology for asphalt pavement 并列题名:Research and application of digital reproduction technology in cultural tourism Research and application of remediation technology in contaminated soil Research and application of geothermal technology standard system Research and application of urban greening technologies to reduce heat island Research and application of assembled building technology