环向焊缝距管架的净距不应小于( ),且不得留在过墙或楼板处。
2023-05-13
A.50mm
B.100mm
C.150mm
D.200mm
参考答案:B
B.100mm
C.150mm
D.200mm
参考答案:B
2020版教材P300
夹套管道安装,环向焊缝距管架的净距不应小于100mm,最新题库考前黑钻押题,金考典软件考前更新,下载链接 www.jinkaodian.com 且不得留在过墙或楼板处。
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