A . 1;
B . 2;
C . 3;
D . 4。
[单选题]电杆焊接时,钢圈应对齐找正,当钢圈偏心时,其错口不应大于()mm。A . 1B . 2C . 3D . 4
[单选题]钢圈连接的钢筋混凝土电杆宜采用电弧焊接,钢圈应对齐找正,中间留( )的焊口缝隙。A.15~20mmB.10~15mmC.5~10mmD.2~5mm
[单选题]钢圈连接的钢筋混凝土电杆宜采用电弧焊接,钢圈应对齐找正,中间留( )的焊口缝隙。A.15~20mmB.10~15mmC.5~10mmD.2~5mm
[单选题]钢圈连接的钢筋混凝土电杆宜采用电弧焊接,钢圈应对齐找正,中间留( )的焊口缝隙。A.15~20mmB.10~15mmC.5~10mmD.2~5mm
[单选题]钢圈连接的钢筋混凝土电杆宜采用电弧焊接,钢圈应对齐找正,中间留( )的焊口缝隙。A.15~20mmB.10~15mmC.5~10mmD.2~5mm
[单选题]钢圈连接的钢筋混凝土电杆宜采用电弧焊接,钢圈应对齐找正,中间留( )的焊口缝隙。A.15~20mmB.10~15mmC.5~10mmD.2~5mm
[单选题]钢圈连接的钢筋混凝土电杆宜采用电弧焊接,钢圈应对齐找正,中间留( )的焊口缝隙。A.15~20mmB.10~15mmC.5~10mmD.2~5mm
[单选题]钢圈连接的钢筋混凝土电杆宜采用电弧焊接,钢圈应对齐找正,中间留( )的焊口缝隙。A.15~20mmB.10~15mmC.5~10mmD.2~5mm
[单选题]钢圈连接的钢筋混凝土电杆宜采用电弧焊接,钢圈应对齐找正,中间留( )的焊口缝隙。A.15~20mmB.10~15mmC.5~10mmD.2~5mm
[单选题]钢圈连接的钢筋混凝土电杆宜采用电弧焊接,钢圈应对齐找正,中间留( )的焊口缝隙。A.15~20mmB.10~15mmC.5~10mmD.2~5mm