After important data are measured and performance reliability is tested to the prototype, the results show that the performances of NQ140N model CNG engine have reached to the designing requirements.
经对样机进行重要数据测试和性能、可靠性等试验，结果表明：NQ 140n型天然气(CNG)发动机的性能达到了设计要求。
The differences of the static and dynamic performances between the model and the high pressure reducer valve of CNG-engine were analyzed.
这种差异主要表现在对实际的天然气高压减压阀建模时的理想化上，但是这些存在的差异并未改变其总体的态势。
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