The impacts of transverse and longitudinal shrinkage of welding seam on underframe positioning.
以及焊缝横向、纵向收缩对底架定位的影响。
The in-plane distortion, transverse shrinkage varying along width direction and longitudinal shrinkage varying along length direction of the plate bended by line heating was proposed.
给出了水火弯板变形中的面内扭曲、沿板宽方向变化的横向收缩及沿板长方向变化的纵向收缩的描述函数。
The results showed that Den. membranaceus has better physical properties than that of Den. yunnanicus, such as higher density, lower tangential and longitudinal dry shrinkage.
实验结果表明，黄竹的物理性能，如纵横干缩性等优于龙竹，而且黄竹的力学性能如静曲强度、静曲弹性模量及顺纹压缩与剪切强度也比龙竹高。
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