non-hydrocarbon gases造句

• The coal - bed gas is the one kind low pollution energy , and its major composition is methane , a small amount heavy hydrocarbon and some non - hydrocarbon gas bodies ( such as nitrogen gas , the carbon dioxide etc )
  煤层气是一种低环境污染能源，其主要成分是甲烷，少量重烃气体和一些非烃气体(如氮气，二氧化碳等) 。
• The coal - bed gas contains many kinds of heavy hydrocarbon gas bodies and the non - hydrocarbon gas , which possesses the characteristic of variable component . if the nature gas engines are fueled with the coal - bed gas directly , they will work abnormally
  由于煤层气中含有多种重烃气体和非烃气体，具有组分变化的特点，直接在天然气发动机中燃烧，会使发动机工作不正常。