underground gasification

• 地下气化作用

underground gasification的用法和样例：

例句

1. Coal gas is produced by the gasification of coal.
   煤气是由煤的气化作用得到的。
2. Great progress on research for underground coal gasification technology has been also obtained in China.
   我国对煤炭地下气化技术的研究取得了很大进展。
3. This paper discusses the principle of coal gasitication underground and experimental means.
   对国内外煤地下气化研究理论及实验方法进行了概括性叙述。