2526| 2
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桿組構(gòu)型解有什么實(shí)用的方法,? |
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點(diǎn)評(píng)
這個(gè)在材料力學(xué)中屬于很簡(jiǎn)單的處理問題,,俺上大學(xué)時(shí)沒有學(xué)焊接理論,后來俺是自學(xué)的,!
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