简支梁受分布荷载作用如图所示,支座A,B的约束力为()。https://assets.asklib.com/psource/201511021052149770.png

A .https://assets.asklib.com/psource/2015110210522332965.png B .https://assets.asklib.com/psource/2015110210522738126.png C .https://assets.asklib.com/psource/2015110210524074747.png D .https://assets.asklib.com/psource/2015110210524337922.png

时间:2022-10-10 12:53:15 所属题库:第四章理论力学题库

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