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A kind of drill bit combination unit and its forming hole method in high-speed rail hard rock pile foundation
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A kind of straight beam formula Hanging Basket and continuous beam cantilever pouring construction method
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Hanging Basket artificial intelligence loading system
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The system that a kind of pressure-like legal system makees different degree of consolidation soil samples
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A kind of construction method of the oblique rock geology construction make-shift bridge of deep water shallow overburden
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A kind of many lithology method for protecting support of face
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A kind of asymmetric formula shield arch construction method of Shallow-buried
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One-way variable-cross-section adjustable turnover formwork and construction method thereof
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