双掺粉煤灰及纤维混凝土在预制U型渠道防渗工程中的应用研究
凌贤宗 陈建国
双掺粉煤灰及纤维混凝土在预制U型渠道防渗工程中的应用研究
The research and application of the precast concrete u-type canal project which doped with fly-ash and fiber
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