Square covers are sometimes used on prefabricated vaults where the access passage is also square.
方盖有时也用在预制拱结构上,它的入口也是方形的.
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The research results an arch structure would be formed in the top coal above the supports.
研究表明,支架上方顶煤体中能够形成“拱”结构,该结构的存在将对工作面矿山压力显现产生显著影响.
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Through analyzing the feature of multiple - arch bridge , the procedure of antiknock performance evaluation is given.
针对连拱结构的特点, 给出了连拱抗震性能评价的过程.
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The lower prestressed fabricated arch is a type of steel structure of square steel tubes.
低预应力装配式方钢管拱结构是一种新型的结构型式.
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According to different arrangements of tensile cables, the styles of cable - arch structures are various.
根据拉索布置形式的不同, 索 - 拱结构的造型多种多样.
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The combined arch and cable structure is a roof structure with large deformation.
THE END