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Smooth operation of throttle linkage and throttle body air valve.
节流连杆和节流体空气阀的平稳操作。
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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。
youdao
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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。
youdao