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天花板頂部固定方式請(qǐng)教 |
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點(diǎn)評(píng)
我咋覺得還可以。。。
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點(diǎn)評(píng)
像兩個(gè)折彎件,有對(duì)接處 看上去像鈑金折彎焊接 如果是鋁型材的話 應(yīng)該是擠出成型的吧
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