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Concrete construction technology applying tailing sand instead of natural sand
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Novel concrete prescription by utilizing tailing sands instead of natural sands
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Anticorrosion method for PCCP
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Concrete for non-autoclaved PHC (pre-stress high-strength concrete) tubular pile
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Method for applying flexible connector to leakage repair and butt joint of prestressed cement pipe
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Quick coupling construction technology of concrete tubular pile
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Cement pipe dado filling and grouting technology
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Vertical PCCP (Prestressed Concrete Cylinder Pipe) finished product internal pressure tester
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Method for improving screw pitch control device of PCCPL horizontal wire winding machine
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