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此處鋁型材搭接處該怎樣聯(lián)結(jié)才可靠? |
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點(diǎn)評(píng)
這種做法在鋁合金上不太常見啊
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點(diǎn)評(píng)
下面兩個(gè)絲孔打穿么
評(píng)分
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點(diǎn)評(píng)
你們產(chǎn)品經(jīng)常這樣處理么
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點(diǎn)評(píng)
都沒理解題意
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