研究了加肋锥柱双层壳结构在水下爆炸作用下冲击响应的规律。
The paper researched on the rule of impact response for double taper-column shell structure with stiffening ribs subjected to underwater explosion.
160米直径焊接球结点双层网壳钢结构屋面施工技术在国内处于领先地位。
The constructing technique of the160? Meter diameter welding ball junction double-deck net shell steel structure roofing of which is in the leading position in China.
屋顶是用双层混凝土壳组成，由间隔14.5米的墙支撑，内部空间并没有柱子结构。
The roof is formed from a double concrete shell and is supported by retaining walls spaced 14.5 metres from each other, leaving the interior column free.
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