地下埋存
underground capture and storage
地下埋管
underground penstock
underground buried penstock
buried pipe
地下埋管换热器
Underground heat exchanger
underground pipe heat exchanger
ground heat exchanger
geothermal heat exchanger
地下埋管换热系统
Heat Transfer System of Underground Heat Exchanger
地下埋管系统
underground heat exchanger system
垃圾填埋地的重新整修
redevelopment of landfill sites