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軸斷裂-求助 |
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點(diǎn)評(píng)
回到過(guò)去的使用材料等級(jí)(不是牌號(hào)問(wèn)題);回到過(guò)去熱處理工藝的等級(jí);回到過(guò)去加工工藝的等級(jí);這樣質(zhì)量就回到過(guò)去的水平。
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點(diǎn)評(píng)
請(qǐng)關(guān)注懸臂結(jié)構(gòu)與裝配產(chǎn)生的效應(yīng)
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