Make sure that the engine 1 and 2 throttle control levers are at idle.
确保1号发动机和2号发动机的油门杆在慢车位。
Electronic throttle control system is a very important part of engine management control system.
电子节气门控制系统是发动机电子控制系统的一个重要组成部分。
The body of valve for Electronic Throttle Control(ETC) is an example among them.
汽车电子节气门控制（ETC）的阀体就是其中一例。
The body of valve for Electronic Throttle Control(ETC) is an example among them.
汽车电子节气门控制（ETC）的阀体就是其中一例。
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