题目内容
(请给出正确答案)
[单选题]
构架母材裂纹:横梁下盖板不大于120mm、其他部位不大于150mm,侧梁下盖板不大于80mm、其他部位不大于()时焊修后补平形补强板;大于时更换。
A.80mm
B.100mm
C.120mm
D.150mm
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A.80mm
B.100mm
C.120mm
D.150mm
A.80mm
B.100mm
C.120mm
D.150mm
A.80mm
B.100mm
C.120mm
D.150mm
A.80mm
B.100mm
C.120mm
D.150mm
A.8
B.10
C.12
D.14
A.不允许有裂纹、未熔合;气孔、夹渣、飞溅存在;
B.管道焊缝咬边深度不应大于0.5mm,连续咬边长度不应大于100mm,且焊缝两侧咬边总长不大于该焊缝全长的10%;45
C.焊缝表面不得有低于母材的局部凹陷。
D.不允许有气孔、夹渣、飞溅存在;