[ 比较级 spirier 最高级 spiriest ]
slender , slight
By spiry curve equation, we have calculated detailedly and laid spiry stairs. It is found that it can satisfy better the requirement of designs and the regulation of working criterions.
利用螺旋曲线方程，经过详细计算，进行旋转楼梯模板的支设，可以较好地满足设计造型的要求和施工规范的规定。
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