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Question and answer
Q: During the process of steel production, the flaws in steel casting are detected by A. resonant vibrations. B. longitudinal vibrations. C. ultrasonic vibrations. D. infrasonic
vibrations.
A: The answer is C. The process of steel production, the flaws in steel casting are detected ultrasonic vibrations.
Expert answered|ephraimzRN|Points 1371|
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Asked 1/6/2012 8:15:14 PM
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