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On a float-type carburetor, the purpose of the economizer valve is to

发布于 2021-02-16 21:54:43

【单选题】
A provide extra fuel for sudden acceleration of the engine.
B maintain the leanest mixture possible during cruising best power.
C provide a richer mixture and coohng at maximum power output.

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Tan2012 2023-02-16

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