单项选择题
钢筋焊接接头冲击试验中标准试样的尺寸一般为()。
A.10mmX10mmX50mm
B.10mmX10mmX55mm
C.15mmX15mmX50mm
D.15mmX15mmX55mm
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单项选择题
A.10mmX10mmX50mm
B.10mmX10mmX55mm
C.15mmX15mmX50mm
D.15mmX15mmX55mm
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