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可作为热力管道的材料的有( )。

多选题
2021-07-31 22:27
A、无缝钢管
B、铸铁管
C、电弧焊焊接钢管
D、高频焊焊接钢管
查看答案

正确答案
A C D

试题解析
城镇供热管网管道应采用无缝钢管、电弧焊或高频焊焊接钢管。管道的规格和钢材的质量应符合设计和规范要求。考点:供热管道材料与连接要求;

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