Natural gas - designation of the quality of natural gas for use as a compressed fuel for vehicles 天然气.作为车用压缩燃料的天然气的质量指标
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Natural gas - designation of the quality of natural gas for use as a compressed fuel for vehicles 天然气.作为车辆压缩燃料使用的天然气质量牌号
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The fast - ignition technique is more like a petrol engine : first the fuel is compressed and only then is it ignited by a second laser pulse ? acting as a spark plug ? that is fired through a hole in the pellet 快速点燃法更象汽油发动机：首先压缩燃料，此后才通过燃料球上的一个小孔，用第二的激光脉冲发射器发射激光? ?起点火器的作用? ?将其点燃。
