6493| 22
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鋁件的表面處理 |
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點(diǎn)評(píng)
你是來(lái)搞笑的嗎,氧化會(huì)增厚?你家氧化還能往鋁件上增加材質(zhì)?增加的是什么,是空氣嗎,
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點(diǎn)評(píng)
不把你帶坑里,氧化會(huì)增厚,今天第一天聽(tīng)說(shuō)氧化會(huì)厚
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