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高压锅炉管     高压锅炉管 材质 标准 规格 数量(T) 20G GB5310-2008 426×25-40 34.42 20G GB5310-2008 426×12-20 60.46 20G GB5310-2008 377×20-35 46.87 20G GB5310-2008 377×10-16 24.82 20G GB5310-2008 351×20-30 19.25 20G GB5310-2008 351×10-18 17.93 20G GB5310-2008 325×20-40 60.03 20G GB5310-2008 325×10-16 28.42 20G GB5310-2008 273×20-35 50.23 20G GB5310-2008 273×10-18 35.65 20G GB5310-2008 245×25-32 20.70 20G GB5310-2008 245×10-22 31.52 20G GB5310-2008 219×22-30 28.49 20G GB5310-2008 219×8-20 26.31 20G GB5310-2008 194×8-22 32.10 20G GB5310-2008 168×12-25 20.52