combed methane

• 煤层气

combed methane的用法和样例：

例句

1. Coalbed methane is a natural gas resources adsorbed to the coal reservoir.
   煤层气是一种以吸附态储集在煤层中的天然气资源。
2. It is significant to prediction of coalbed permeability and resource evaluation of coalbed methane.
   其结果对煤层气资源评价和煤层渗透性预测具有重要的指导意义。