beam and girder construction是什么意思

用法例句

Deformation of sandwich beams with spherical pore Al alloy foam core in three-point bending;

球形孔泡沫铝合金三明治梁的三点弯曲变形

The failure modes and peak loads of sandwich beams with this Al alloy foam core were measured which was in good agreement with theoretic values.

研究了高比强泡沫铝合金和泡沫纯铝的单向压缩和剪切性能,对以高比强泡沫铝合金为夹芯的三明治梁失效模式的尺寸范围和承载能力进行了理论计算,结果与实验结果符合得很好。