单项选择题
10mm(0.4英寸)焊角角焊缝的理论焊喉尺寸为()
A.5mm(0.2inches)
B.7mm(0.3inches)
C.10mm(0.4inches)
D.13mm(0.5inches)
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单项选择题
A.5mm(0.2inches)
B.7mm(0.3inches)
C.10mm(0.4inches)
D.13mm(0.5inches)
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