hydrologic features 中文意思是什麼
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With reference to the hydrologic data and geologic conditions of the changjiang river over the years, this paper analyzes the features of and key technical problems to be resolved in the construction of in - water pier foundations in the north river branch of tianxingzhou changjiang river bridge. accounts for the construction organization principle preparation and construction implementation of the foundations, comparison and selection of working platform and steel cofferdam to be used at each pier site, and also summarizes the construction methods for the deep water steel cofferdams of the bridge
摘要根據長江歷年水文資料、地質情況，分析了天興洲長江大橋北汊水中墩基礎施工的工程特點和要解決的關鍵技術，介紹了施工組織的原則制定和實施過程、各墩位平臺及圍堰的方案比選，總結了該橋深水鋼圍堰的施工方法。
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