單項(xiàng)選擇題

根據(jù)梁的剪力彎矩圖可知梁上最大的剪力、彎矩絕對(duì)值為()。

A.10kN,53.5kNm
B.10kN,50kNm
C.30kN,55.5kNm
D.30kN,52.5kNm


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