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請(qǐng)問(wèn)有沒(méi)有簡(jiǎn)易的辦法區(qū)分7075和6061 |
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點(diǎn)評(píng)
那就有問(wèn)題了,7075,,硬氧偏金黃,,6061硬氧偏灰黑(感覺(jué)像黑褐色),7075本色也輕微偏黃,,而6061本色偏白
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