判断题：钢材接头双面搭接焊接的长度不应少于10d，单面焊缝的长度不应小于10d。A．正确B．错误

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题目内容：
钢材接头双面搭接焊接的长度不应少于10d，单面焊缝的长度不应小于10d。
A．正确
B．错误
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