| 1. | Ignition timing must advance as rpm increases
随著引擎转速的增加，点火正时必须提前。 |
| 2. | Est electronic programmed spark timing
电子程序点火正时控制装置 |
| 3. | Ignition timing light stroboscope
点火正时灯正时观测灯 |
| 4. | Itcs ignition timing control system
点火正时控制系统 |
| 5. | The research uses gear and belt ignition timing system
经过理论分析和试验验证，用齿轮皮带点火正时系统。 |
| 6. | Tvv thermal vacuum valve
水温传感控制真空点火正时阀 |
| 7. | Itvs ignition timing vacuum switch
点火正时真空开关 |
| 8. | Electronic spark timing e . s . t
电子点火正时 |
| 9. | Est electronic spark timing
电子点火正时 |
| 10. | Spkc spark control
点火正时控制 |
