单项选择题
车辆钢板最常用焊条直径是多少?()
A.0.6/0.8/1.0mm
B.0.3/0.4/0.5mm
C.1.2/1.3/1.4mm
D.0.9mm或1.6mm
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单项选择题
A.0.6/0.8/1.0mm
B.0.3/0.4/0.5mm
C.1.2/1.3/1.4mm
D.0.9mm或1.6mm
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