| 词汇 |
coal seam methane content |
| 释义 |
coal seam methane content
基本例句
煤层瓦斯含量
This study provides a scientific method about studying the gas content of the coal seam unmined and provides the basic data about the safe mining.这为未开采煤层瓦斯含量的研究提供了科学方法，并为该煤矿的安全开采提供了基础资料。 |
| 随便看 |
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