图示桁架中杆件内力等于零，即所谓“零杆”为。 -题库考试答案搜索网

图示桁架中杆件内力等于零，即所谓“零杆”为。

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2021-07-17 23:54

A、<span style="FONT-FAMILY: "><span style="mso-spacerun: yes"></span><i style="mso-bidi-font-style: normal"><span lang="EN-US">BC</span></i><span lang="EN-US">, <i style="mso-bidi-font-style: normal">AC</i></span></span>
B、<span lang="EN-US" style="FONT-FAMILY: "><em>BC</em></span><span lang="EN-US" style="FONT-FAMILY: ">, <i style="mso-bidi-font-style: normal">AC, AD</i></span>
C、<span lang="EN-US" style="FONT-FAMILY: "><em>BC</em></span>
D、<span style="FONT-FAMILY: "><span style="mso-spacerun: yes"></span><i style="mso-bidi-font-style: normal"><span lang="EN-US">AC</span></i></span>

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A

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标签：工程力学 2020年第二学期期末考试勘查技术与工程专升本建筑工程技术高起专机械制造与自动化机械电子工程工程力学Ⅰ 焊接技术与自动化

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