工业管道的焊接施工工艺

1.1.11.1.21.1.31.1.41.2.11.2.21.2.31.2.41.2.5XX1.3.11.3.21.3.31.3.41.3.5筑龙网=50,P=12mmd=2040mm46mm12S60mmXC03mm,P03mm,60S20mmC03mmP13mm122mmmm10.20ZG2526100-2003660065016Mn15MnV1515020020600650520-5701.4.50100mm1533300350筑龙网筑龙网筑龙网筑龙网