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1、规格公称直径（mm）钢管外径x壁厚（mm）外套管外径x壁厚（mm）保温层厚度（mm）弹性臂长（m）单长重量（N/m）双管中心距（mm）钢管截面积（mm2）DN25322.51102.536.51.4340531DN32382.51102.533.51.5340805DN404531102.5281.63401386DN50573.51252.536.51.93602206DN657641422.530.52.43803631DN80894160332.5 2.6 4005153DN10010842003.24232264507854DN12513342254.541.53.4318450122
2、72DN1501594.5250540.53.738850017671DN2002196.03156424.870658033653DN2502736.03656405.498766053502DN3003257.04207.040.56.2137076075964DN3503777.05008.053.56.81764780103491DN4004267.05609.0587.22160900133317DN4504787.060010517.72581950169093DN5005298.065510538.232051000206692DN6006308.076011549.344401060296092DN7007208.0850115410.357571250389256DN80082010960145611.377201350502654DN90092010106014561287421500636172DN10001020101170156012.7104021550785398DN1200122012139417651123445
