natural gas motor

• 天然气发动机

natural gas motor的用法和样例：

例句

1. Natural gas engines have widely been developed in the world due to the decrease of oil resources and the strictness of exhaust regulations.
   由于石油资源的逐渐枯竭和排放法规的日益严格，使天然气发动机在全世界得到广泛地发展。