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The moisture absorption water content rate method of testing of soil
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A kind of three word button box beams end-blocking template and box beam end blocking method
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A kind of gas tunnel method of ventilation and its structure
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A kind of gas tunnel pressure tester and its method
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Injecting grout through steel perforated pipe device and grouting method
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A kind of adjustable armpit angle forming panel
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A kind of tool car for being capable of leaping over obstacles
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Arch bridge suspender tensioning equipment
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A kind of concreting template
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Vibration walking device for pouring of ballastless track base
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Vibratory leveling device
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Formwork for ballast-less track base casting
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Grooved formwork for pouring of reinforced concrete base of ballastless track
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Subway station construction body envelop enclosing structure
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A kind of utilize 900 tons of beam shifting machines to bridge floor beam car dress beam Summarized Account of Bridge Erection Construction method
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Fast disassembly safety protective guard for building construction
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Simple safety guard rail
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Method for detaching main beam of lifting beam machine
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