单选题 1分

A diesel engine is equipped with an isochronous(同步的) hydraulic governor. A decrease in load will cau...

A diesel engine is equipped with an isochronous(同步的) hydraulic governor. A decrease in load will cause the engine speed to ________.
  • A. decrease only
  • B. increase only
  • C. decrease slightly then returned to original speed
  • D. increase slightly then returned to original speed

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