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One-column-one-pile post inserting method construction process
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Arrangement device of positioning reflective sheet of water pile foundation measurement
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Perforated pipe for consolidating foundation
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Mud anti-drag sink-assisting device in open caisson sinking construction
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Air curtain resistance reducing and sinking assisting device utilized during sinking construction for sinking well
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Mud jacking device used for pre-stressed pipeline
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Assembled jacking pipe relaying intermediate
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Construction method for crossing for complex formation of shield under ultra-deep earth
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Construction method for tunnel segment repair and reinforcement
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Engineering emergency hydraulic lifting gravity drop hammer for concrete construction of underground engineering
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Hydraulic split type fore shaft pipe jacking and drawing machine for underground continuous wall construction
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Floating water stop device for bridge bearing platform or construction platform
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Construction process using damping type stopping device to carry out rotation stopping and in-position of bridge
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Construction process for positioning and adjusting beam rotary body and slide channel by using positioning framework
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Shallow sea long-distance submarine pipeline tension-free laying construction technology
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Platform protection device for submarine cable
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Construction method for temporarily fixing prefabricated compartment wall inside double-line single-pipe tunnel
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Rotary untwisting rack with double cable reels
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Foldable conveying frame of horizontal earthwork conveyer
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Inclination leveling mechanism of earthwork horizontal conveyer
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