当前位置:在线题库搜索>[单选题]Which of the following devices is a common basic element with nearly all mechanical governors?的答案是什么?

问题:

[单选题]Which of the following devices is a common basic element with nearly all mechanical governors?

A、Power piston
B、Control rack
C、Weights acted on by centrifugal force
D、Isochronous(同步的)droop spring

参考答案: C