题目内容
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[单选题]
DL1型专用车中央大横梁下盖板与侧梁连接板间的横向焊缝裂纹时焊修后磨平,中央大横梁下盖板与侧梁连接板间的横向焊缝部位须按图5-24所示焊装材质为Q450NQR1、厚度为()mm的加强板。(长大货物车)
A.8
B.10
C.12
D.14
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A.8
B.10
C.12
D.14
A.10
B.12
C.13
D.15
A.80mm
B.100mm
C.120mm
D.150mm
A.80mm
B.100mm
C.120mm
D.150mm
A.80mm
B.100mm
C.120mm
D.150mm