基本解釋底弦桿；底弦英漢例句雙語(yǔ)例句The single-chorded plane space truss have the low flexural rigidity out of plane because of lacking bottom chord.單弦桿平板網(wǎng)架由于無(wú)下弦桿，因而具有平面外抗彎剛度較低的特點(diǎn)。The analysis reveals that the dynamic behavior of the converse trapezoid CHS truss with double pipe bottom chord is quite good.分析表明以下弦雙鋼管為特征的倒梯形立體管桁架的動(dòng)力特性非常理想；The double groove steel is suspended under the two nodes of bottom chord of steel roof truss to prevent the bottom chord from stretch bending.文章論述了在設(shè)計(jì)中采用鋼屋架下弦兩節(jié)點(diǎn)下懸吊雙槽鋼作為分布梁避免鋼屋架下弦拉彎工作。bottom chord更多例句詞組短語(yǔ)短語(yǔ)bottom m chord 底弦bottom m chord stress 下弦桿應(yīng)力bottom oblique chord 下斜弦梁side frame bottom oblique chord 側(cè)架下斜弦桿bottom chord stress 下弦桿應(yīng)力bottom chord更多詞組專業(yè)釋義土木建筑工程下弦底弦桿機(jī)械工程底弦