发布时间:2025-01-29 10:37:34
钢材密度按7850千克/立方米计算,
方通重量为:
(0.2X0.2-0.18X0.18)X1X7850
=59.66千克/米
=59.66公斤/米
修建一栋房子的具体过程流程是怎样的最好由结构工程师从专业角度回答
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