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- 搜题干
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单项选择题
The application of a concentrated force to any point on the axis of a beam leads to an abrupt change in the rate of change of the bending moment at that same point.
The application of a concentrated force to any point on the axis of a beam leads to an abrupt change in the rate of change of the bending moment at that same point.
A. 对 B. 错
