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【单选题】
Which of the terms listed below represents the operational speed at which excessive engine vibration is created? 注:critical speed 临界转速
A.
Non-harmonic speed.
B.
Critical speed.
C.
Maximum speed.
D.
Design maximum speed.
举报
题目标签：临界转速
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三