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發(fā)布時(shí)間: 2015-9-13 23:00
正文摘要:如圖,,用Q235的鋼板,,板厚5,折成如圖形狀,,該鋼板上受到500公斤的力,,現(xiàn)在需要給鋼板下面作支撐,,需要在間隔多遠(yuǎn)的距離上面作支撐?謝謝,。 |
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