Which of the items listed causes a direct acting mechanical governor to operate the engine fuel control linkage?（）<br>A:Hydraulic oil pressure<br>B:Servomotor action<br>C:Flyweight centrifugal force<br>D:Relay motion

Which of the items listed causes a direct acting mechanical governor to operate the engine fuel control linkage?（）
A:Hydraulic oil pressure
B:Servomotor action
C:Flyweight centrifugal force
D:Relay motion

出自：海船船员证

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