Against the existing problem on the spraying system of cross tube primarygas cooler, the respective modification measure has been taken, the cooling effect and safe delivery of gas were ensured.
针对横管初冷器喷洒系统存在的问题，采取了相应的改造措施，确保了煤气的冷却效果和安全输送。
2
There are many who argue that corn ethanol should replace fossil fuel gas as the primary source for running cars.
许多人认为，玉米乙醇应该取代化石燃料气体，成为汽车的主要燃料。
3
Renewables account for only a small share of global primary energy consumption, which is still dominated by fossil fuels—30% each for coal and oil, 25% for natural gas.