Is thorough and the storage and transporttechnology enhancement along with our country transport the naturalgas from the west to the east project, took the petroleum productlow-price quality merchandise the substitute, the natural gasgradually becomes the motor car engine ideal fuel.
随着我国西气东输工程的深入及储运技术的提高，作为石油产品价廉物美的替代品，天然气逐渐成为汽车发动机理想的燃料。
参考来源 - 天然气脱硫催化器内流场的数值模拟与优化分析·2,447,543篇论文数据，部分数据来源于NoteExpress
The motor car engine crank is one of automobile power unit core components, Its manufacture quality requirement is very high.
汽车发动机曲轴是汽车动力装置的核心零件之一，其制造质量要求很高。
This is a good way of finding the exact source of trouble in a motor-car engine which sounds as if it is wrong and yet gives no information of where the trouble is.
如果汽车引擎的声音听起来似乎不大对劲却又不知道毛病出在什么地方，那么上面的方法就是一种能够准确地找到故障原因的好方法。
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