他们用树木和植物制造天然气，然后将天然气放进汽车顶上的大袋子里。
They made gas from wood and plants instead, and then they put it in big bags on top of their cars.
用实验验证复合材料壳体设计理论在天然气汽车气瓶设计中的正确性。
The. Correctness of composite materials shell design theory in cylinders for compressed natural gas vehicles is tested and verified through experiment.
分析了利用天然气的途径——发电、生产合成原料气、工业用燃料、汽车燃料、城镇燃气。
The ways of natural gas utilization-power generation, production of synthetic raw material gas, industrial fuel, vehicle fuel and city gas are analyzed.
通过天然气和汽油用做汽车燃料的对比，得出了用天然气作为车用燃料的可行性和必要性；
By comparing the vehicle fuels of natural gas and gasoline, it's verified that using natural gas as the vehicle fuel is feasible and necessary.
目前，我国的CNG汽车动力装置，除比例很小的纯天然气发动机之外，基本上是可以分别燃用天然气和汽油的两用燃料发动机。
At present, except the small proportion of the pure natural gas engines, CNG vehicle powered device is basically flexible-fuel engine that can use natural gas or gasoline dividedly.
另一种方式是建设压缩天然气(CNG)站，将天然气净化压缩后，装在专门的容器内用汽车运送至城镇。
The other is to construct compressed natural gas (briefly CNG) stations, through which ng can put into some special vessels then carried to small cities (towns) after being purified and compressed.
另一种方式是建设压缩天然气(CNG)站，将天然气净化压缩后，装在专门的容器内用汽车运送至城镇。
The other is to construct compressed natural gas (briefly CNG) stations, through which ng can put into some special vessels then carried to small cities (towns) after being purified and compressed.
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