平均断面积管长 16.50 23.6 389.30 16.06 481.70 16.09 482.58 437.87 16.10 483.02 15.47 463.96 435.93 449.32 449.35 12.98 364.09 375.53 11.94 358.08 307.67 11.15 312.29 11.37 284.25 355.23 371.99 285.99 13.47 350.15 91.45管道沟槽开挖土方计算 平均断面积 管长 挖土方 16.50 23.6 389.30 16.06 30 481.70 16.09 30 482.58 16.22 27 437.87 16.10 30 483.02 15.47 30 463.96 14.53 30 435.93 13.62 33 449.32 13.10 34.3 449.35 12.98 0 0.00 12.87 28.3 364.09 12.52 30 375.53 11.94 30 358.08 11.40 27 307.67 11.15 28 312.29 11.37 25 284.25 11.84 30 355.23 12.40 30 371.99 13.30 21.5 285.99 13.47 26 350.15 12.67 23 291.45 11.99 29 347.75