问题详情

(5.1)D支座的支座反力FRD =(  )(2分)


<span lang、"EN-US">10kN</span><span>(</span><span lang="EN-US">↑</span><span>)</span>

<span lang、"EN-US">15kN</span><span>(</span><span lang="EN-US">↑</span><span>)</span>

<span lang、"EN-US">20kN</span><span>(</span><span lang="EN-US">↑</span><span>)</span>

时间:2021-07-17 19:05 关键词:

答案解析

<span lang="EN-US">15kN</span><span>(</span><span lang="EN-US">↑</span><span>)</span>