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Open excavation construction equipment for comprehensive pipe gallery and construction method thereof
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A kind of roadbase rain-proof construction method
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A kind of municipal works road pavement structure
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A kind of city road crossing separate system
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A kind of underground pipe gallery removable support template
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A kind of elastic building frame with anti-seismic structure
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A kind of landscape engineering bracing means of transfer trees
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A kind of Garden Engineering slope greening structure
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Transform horizontal resection construction technology in airport concrete U-type gutter
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