3744| 25
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冠中國名字的鋁合金 |
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點評
我剛看了屈服強度,它是16mm測試結果,如果厚了,可能會大幅度降低(猜想)。
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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