樓主: 天氣
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軋機(jī)軸承滾子碎裂損傷原因,大家探討分析 |
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點(diǎn)評(píng)
笑得人心里發(fā)毛啊,,雖然也想了解一些,,但不方便說得太細(xì)的話……
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點(diǎn)評(píng)
謝謝朋友
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點(diǎn)評(píng)
軸承的使用壽命不會(huì)這么短的
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