| 1. | When the structural vibrations are in turn excited by engine operation, a closed loop relationship exists .
当结构振动是由于发动机工作所激励时，存在一闭合回路关系。 |
| 2. | The second method of changing engine operating parameters means, in essence, operating fuel lean to increase combustion .
第二种改变发动机工作参数的方法的用意，本质上是用贫燃料来增加燃烧。 |
| 3. | Study on performance of a diesel cng dual fuel vehicle engine
双燃料发动机工作性能的研究 |
| 4. | Experimental study on different resonance tubes in thermoacousic engine
谐振管几何形状对热声发动机工作性能的影响 |
| 5. | On carrier rocket engine working - process research system model and its application
运载火箭发动机工作过程研究体系模型的研究 |
| 6. | Engine hour meter
发动机工作小时表 |
| 7. | A parameter for evaluating the performance of the injector is presented
初步得到了这些性能指标参数随发动机工作参数的变化规律。 |
| 8. | Thus , there is constant circulation of oil between the pan and the working parts of the engine
因而在油底壳和发动机工作零件之间有机油不断流动循环。 |
| 9. | The operating principles and the creation of the theoretical model line of triangle piston circumgyrating engine
三角活塞发动机工作原理和理论型线的创成 |
| 10. | The engine operated for 63 seconds . the elliptical orbit was changed to a near circular orbit
飞船变轨，变轨发动机工作了63秒，使原来的椭圆形接近圆形。 |
