锅炉，过热器，热交换器和冷凝器用熔焊碳和碳锰钢管规范。
Standard Specification for Steel Tubes, Carbon and Carbon Manganese, Fusion Welded, for Boiler, Superheater, heat Exchanger and Condenser Applications.
锅炉，过热器，热交换器和冷凝器用熔焊碳和碳锰钢管规范。
Standard Specification for Steel Tubes, Carbon and Carbon Manganese, Fusion Welded, for Boiler, Superheater, heat Exchanger and Condenser Applications.
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