33. Engine speeds at which resonance(共振)can occur are termed_____.
A、
A、maximumspeeds;
B、
B、fullspeeds;
C、
C、seaspeeds;
D、
D、criticalspeeds
发布时间:2025-08-01 22:56:48
A、
A、maximumspeeds;
B、
B、fullspeeds;
C、
C、seaspeeds;
D、
D、criticalspeeds