2648| 10
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GCr15軸滾彎問(wèn)題? |
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點(diǎn)評(píng)
小心彈回來(lái)傷著你。
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點(diǎn)評(píng)
那就退火吧,烤著做會(huì)大幅降低強(qiáng)度!
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