北江大堤芦苞水闸启闭机室砼框架梁柱裂缝成因分析
북강대제호포수갑계폐궤실동광가량주렬봉성인분석
Analysis of the Crack Occurring in Concrete Frame Beams and Pillars of the Gate House in Lubao Sluice of the North River Grand Levee
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