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aluminium profile together with other same profile ribal nanny generates a box closed section structural inscrittibile in a rectangle of sides 250 x 40 mm.
aluminium profile together with other same profile ribal nanny generates a box closed section structural inscrittibile in a rectangle of sides 250 x 40 mm.
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机译：铝型材与其他相同轮廓的肋骨保姆一起，在边长为250 x 40 mm的矩形中生成了一个框形的封闭式结构。
