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Water turbine compression gap volute structure
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Floating body flap valve
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High elastic die cushion type composite dam
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Low-permeability rock-fill material concrete panel rock-fill dam
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Cement granule slope grinding device and construction method thereof
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Prestressed concrete and steel combined tower on which self-support wind generator set can be assembled and anchoring method of prestressed concrete and steel combined tower
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High-base asphalt concrete core wall dam
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Wind power generation precast concrete tower internal pre-stress tension method
