她是个幸运的女孩 » She was a fortunate girls 发动机性能的提高 » Engine performance improving 友谊长青 » Evergreen Friendship ..
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抱着你 » To hold you 发动机性能的提高 » Improved engine performance 熟练掌握圈闭评价、井位设计、储量计算，开发方案、生产跟踪的能力，会应用Discovery,petrol等石油勘探开发应容软件，MAPGIS,Cor...
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发动机的性能的提高 Engine performance improvements ; Improved engine performance ; engine performance enhancement
米-17是米-8的深入改进型号，为提高高海拔高温性能，采用了更加强大的发动机，于1975年开始服役。
Mi-17, entered service in 1975, is the highly improved Mi-8, with more powerful engines for 'hot and high' conditions.
该方法可以提高发动机的加速性能并满足加速过程中的各项约束条件。
By this method, the engine acceleration performance can be improved greatly and each constraint in the acceleration process is satisfied.
新工艺的采用，有效地提高了发动机的性能。
A new technology is applied, which can improve effectively the properties of engine.
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