marsh gas造句

1、The scope of this kind of goods include natural marsh gas and artificially made methane.
本货物的范围包括：天然沼气和人工生产的沼气。

2、In addition, the yield of energy from unit land of marsh gas is the highest.
另外，沼气的单位土地能量产出率是最高的。

3、Use of new energies such as marsh gas is increasing in the rural areas.
一些新能源(例如沼气)的使用，正在农村地区增加。