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            氧化鋁耐磨管改進簡述
              氧化鋁耐磨管的改性γ-al高溫下會改釀成α-al使密度增添概況積削減孔結破損失蹤去活性為了戰勝這系列問題列國學者開展了對氧化鋁改性
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