| 1. | When the pcy valve sticks in the intermediate position, the engine idles rough and stalls frequently .
PCV阀在过渡状况被粘住时，发动机会出现怠速不稳和频繁息火的故障。 |
| 2. | Another cause of improper engine idling can be dirty or plugged air filter in the bottom of the charcoal canister .
发动机怠速不正常的另一个原因是活性炭罐底部的空气滤清器脏污或被堵塞。 |
| 3. | A fuel too volatile for the outside temperature, or a missing restrictor in the vapor line, will also cause improper engine idling .
就外界温度而言，燃油的挥发性过高，或蒸汽管路中的节流器有故障，也会使发动机的怠速不稳。 |
| 4. | This paper also discusses si engine idle speed control
另外，在论文中也讨论单点发动机的怠速控制。 |
| 5. | The study on optimized matching test of electronic fuel injection system for motorcycle engine idling operation
摩托车汽油机电喷系统怠速工况的优化匹配研究 |
| 6. | When the pcy valve sticks in the intermediate position , the engine idles rough and stalls frequently
Pcv阀在过渡状况被粘住时，发动机会出现怠速不稳和频繁息火的故障。 |
| 7. | The drivers had kept the engines idling for some time , the exhausts sending a steady stream of warm , lighter emissions into the fog
司机已经发动汽车一阵子了，排气管有规律的喷出一股股热气，车灯照进雾里。 |
| 8. | The data show the fact that the working conditions of the city bus exist lower speed driving , frequent acceleration and long - range engine idle operation which lead to bad fuel economy and emission
通过这些数据的处理分析，表明城市公交客车低速行驶、频繁起步以及滑行和驻车的发动机怠速普遍存在着燃油经济性差和排放恶劣的状况。 |
