| 1. | The greatest amount of exhaust emissions are produced at idle and during low-speed operation . 排气中最大量的排放物是在怠速和低速运行时产生的。 |
| 2. | Another early approach to controlling exhaust emissions was the engine modification, or controlled-combustion system . 另一种早期的控制排气污染的途径是发动机调整或控制燃烧系统。 |
| 3. | The ford system for air-fuel mixture control is tied in with the thermactor or air-injection system of exhaust emission control . 这种福特系统,空气燃料混合气控制是同空气喷射排气净化系统或有害排放控制的空气喷射系统结合在一起的。 |
| 4. | Research on reducing the exhaust emission in a diesel engine 直喷式柴油机低排放的研究 |
| 5. | Instruments for measuring vehicle exhaust emissions 车辆废气排放测量仪器 |
| 6. | Measurement of gaseous and particulate exhaust emissions at site 气体和颗粒排放物的现场测量 |
| 7. | Test - bed measurement of gaseous and particulate exhaust emissions 气体和颗粒排放物的试验台测量 |
| 8. | Exhaust emission test for petrol and liquefied petroleum gas vehicles 汽油及石油气车辆的废气排放测试 |
| 9. | Vehicle powertrain matching considering exhaust emission constraint 考虑排放约束的汽车动力传动系匹配 |
| 10. | Verification regulation of vehicle exhaust emission measuring instruments 汽车排放气体测试仪检定规程 |