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来源:雅诚德英语网
Based on this study, formulae and design charts are provided to select readily an economical depth of unequal-flanged steel girders.
根据研究,提出了迅速选择不等翼缘钢梁经济梁高的公式和图表。
Based on this study, formulae and design charts are provided to select readily an economical depth of unequal-flanged steel girders.
根据研究,提出了迅速选择不等翼缘钢梁经济梁高的公式和图表。