7873| 10
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材質(zhì)20號(hào)鋼,,加工內(nèi)孔粗糙度很差 |
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點(diǎn)評(píng)
你用可能會(huì)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(píng)分
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