Coal mine methane是什么意思 Coal mine methane怎么读
Coal mine methane的用法和样例
- It is a new way of the utilization of coal bed gas.
为井下抽放煤层气的利用提出了一条新的途径。 - Abstract There is coalseam methane in coalbed and coal bearing sequences in the study area.
在煤层和煤系地层中，产生并赋存着煤层气。
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