当单层建筑物檐口高度超过20m，多层建筑物超过5层时，可计算超高施工增加费 - 查题网

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国家开放大学 / 安装工程估价

当单层建筑物檐口高度超过20m，多层建筑物超过5层时，可计算超高施工增加费

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