1) geotemperature in deep wells
深井地温
2) deep well thermometer
深井井温仪
3) deep mine with high temperature
深井高温
4) high temperature and deep well
高温深井
1.
The advances of cementing technology for high temperature and deep well home and abroad;
国内外高温深井固井技术研究现状
5) cooling deep coal mine
深井降温
1.
Technical and economic feasibility of cooling deep coal mines in china;
深井降温的技术经济分析
2.
The ice melting of ice cooling system is mainly researched, on studying the ice melting mechanism the mathematical models of the particulate ice melting in a column ice silo in steady and unsteady are presented, and the methods of technical and economic feasibility of cooling deep coal mines are developed.
技术经济分析表明 ,深井降温冰冷却系统在技术上是完全可行
6) Water temperature in deep well
深井水温
补充资料：地温
地面及其以下的土壤温度。地面温度直接受太阳辐射的影响，白天高，夜间低；夏季高，冬季低。土壤温度的变化随深度增大而逐渐减小，约在1米深处，温度的日变化已消失。土壤深达20米以下时，地温的年变化也消失了。井水冬暖夏凉就是地温终年少变所致。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条