黄冈长江大桥主塔施工技术方案-期刊之家_中文核心期刊_期刊论文发表_期刊征稿_职称论文发表_您身边的期刊投稿论文发表专家！ 关键词：主塔、施工方案、爬模、塔吊 [gap=225]Key Words: main tower, construction plan, climb mold, crane
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...词: 大型空分设备; 稀有气体; 主塔; 精馏工况 [gap=700]Keywords : Large2scale air separation unit ; Rare gas ; Main column ; Operating conditions of distillation.
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在全世界的注视下，现场的500名消防员奋力阻止大火蔓延到两座悬挂着大教堂钟的主塔。
While the world looked on, the 500 firefighters at the scene then battled to prevent the flames from reaching the two main towers, where the cathedral bells hang.
从内部看到的主塔遗迹。
北边是圣德尼及其尖顶，西边是圣克鲁及其圆形主塔。
To the north saint-denis and its spire; to the west saint cloud and its donjon keep.
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