20G高压锅炉管20×2.5-3-5
20G高压锅炉管24×2.5-3-4-5-6
20G高压锅炉管25×2.5-3-4-5-6
20G高压锅炉管28×3-3.5-4-5-6
20G高压锅炉管32×3.5-4-5-6-8
20G高压锅炉管34×4-5-6-8
20G高压锅炉管36×3.5-5-6-8
20G高压锅炉管38×4-5-6-7-8-9-10
20G高压锅炉管39×3.5-5-8-10
20G高压锅炉管42×3.5-4-5-6-7-8-9-10
20G高压锅炉管45×3.5-4-5-6-7-8-9
20G高压锅炉管48×3.5-4-5-6-7-8-9-10
20G高压锅炉管51×3.5-4-5-6-7-8-9-10
20G高压锅炉管56×3.5-4-5-6-7-8-9-10
20G高压锅炉管57×3.5-5-6-7-8-9-10-12

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