酸洗和改性界面剂措施共同使用使新老混凝土修补界面层微细观结构全面改善，粘结强度显著提高。
Two methodsbeing used together could improve microstructure of new and old concrete repairedinterface layer fully, leading to a significantly increase of bond strength.
酸洗和改性界面剂措施共同使用使新老混凝土修补界面层微细观结构全面改善，粘结强度显著提高。
Two methodsbeing used together could improve microstructure of new and old concrete repairedinterface layer fully, leading to a significantly increase of bond strength.
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