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序號 管道規(guī)格 理論重量 7200 7300 7400 4800 4900 5000 1 DN25 2.565 18.47 18.73 18.98 12.31 12.57 12.83 2 DN32 3.318 23.89 24.22 24.55 15.93 16.26 16.59 3 DN40 4.070 29.31 29.71 30.12 19.54 19.94 20.35 4 DN50 5.173 37.24 37.76 38.28 24.83 25.35 25.86 5 DN65 7.038 50.68 51.38 52.08 33.78 34.49 35.19 6 DN80 8.840 63.65 64.53 65.42 42.43 43.32 44.20 7 DN100 11.501 82.81 83.96 85.11 55.20 56.35 57.51 8 DN125 15.9