It is shown by the engine performance tests and emission tests that LPG engine is completely able to meet the requirements of city omnibuses and trucks.
发动机性能试验与排放试验表明，该液化石油气发动机完全能够满足城市大型公共汽车和载货汽车的使用要求。
"Great Wall" brand four stroke motorcycle oil obtained JASO quality certificate, and specially formulated to meet the performance requirements of four stroke motorcycle engine.
长城“牌四冲程摩托车发动机油已获得J A SO质量认证，能够满足四冲程摩托车发动机的特殊性能要求。”
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。
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