geotherm gradient线地温梯度
geotherm resources地热资源
Xianyang geotherm咸阳地热
abnormal geotherm地热异常
geotherm anomaly地热异常
deep geotherm深层地热
Mantle Geotherm地幔地温线
Jinan geotherm济南地热
Ancient geotherm古地温
N（名词） a line or surface within or on the earth connecting points of equal temperature 等地温面