• 1. engine control switch: 发动机控制开关
• 2. abnormal engine control switch signal: 异常的发动机控制开关信号
• 3. Coolant control engine vacuum switch: 温控真空开关

更多释义

• 1.LPG bi-fuel system placed in the EFI engine is introduced in this article, the fuel change-over switch in the LPG system is to control the fuel conversion.
  介绍了一种可用于电喷发动机的LPG改装系统，系统设置了燃料转换开关来控制燃料的转换。
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• 2.There is AC request switch on instrument panel; the controller will control the engine and keep it running smoothly once the controller receives the request signal of AC turning on.
  在车辆的仪表盘上有空调请求开关，一旦控制器接收到空调打开的请求信号，控制器将对发动机进行控制并保持正常运行。
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• 3.The switch provides a low-pressure differential signal to the engine control system.
  此开关为引擎控制系统提供一个低压差动信号。
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