项目DN450×0.63MpaDN450×0.8MpaDN450×1.0MpaDN450×1.25MpaDN450×1.6MpaDN450×2.0Mpa理论重量kg/m26.132132.523440.159.706760.92175.8235单价12.0012.0012.0012.0012.0012.00金额313.5852390.2808481.86596.4804731.052909.882施工长度1900168850217750115管材金额595811.8865567.17409581.00129436.2582.00104636.43合计40001853321.73安装费20%119162.3813113.4381916.2025887.25109657.8020927.29备注（每米安装费）62.7278.0696.37119.30146.21181.983706.346
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