在钻井，采矿和发热物质的地下深积的过程中，原始的天然地热场受到了扰动。
In the course of drilling , mining and deposition of hear producing materials in the subsurface , the original natural geothermal field is disturbed .
他给人类带来第一种可以发光和发热的物质。
It gave humans the first form of portable light and heat .
发热物质