回归正交试验试验
regression-orthogonal design
单相接地试验
phase-to-earth test
single phase grounding test
单相人工接地试验
artificial single phase to ground test
地热地震前兆信息
Information of seismo-geothermal precursor
地热地质类型
geological types of geotherm
地热地质特征
Geothermal geological characteristic
geological characteristics of geotherm
地热地质条件
geothermal geological conditions
geotherm geological condition
地热井
the terrestrial-heat well
thermal well
geothermal well
geothermal wells
geothermal resource
地热井下换热器
geothermal downhole heat exchanger