英语词典
Research results: The design of the tunnel crossing karst cave, underground river and burst mud section, design of supporting structure to gypsic horizon and design of lining against water pressure are completed.
研究结果完成隧道跨越溶洞、暗河、突泥段设计、石膏地层段支护结构设计、抗水压衬砌设计。
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