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桥梁支座的安装
通过施工图片讲解桥梁支座的施工，现浇梁支座安装在墩顶垫石上然后再浇筑梁板，预制梁支座安装在梁板底部与预制梁一起吊装，通过地脚螺栓与下部结构连接，更多一级建造师市政课程关注蜗牛市政
一级建造师市政基础知识系统性讲解11/36
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