7602| 10
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材質(zhì)20號鋼,加工內(nèi)孔粗糙度很差 |
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點(diǎn)評
你用可能會崩,我用應(yīng)該沒什么問題,不過十來塊的刀粒,可以用6面,三四塊錢試一次,不用這么糾結(jié)!
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評分
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