5962| 21
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軸承磨損嚴(yán)重 |
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點(diǎn)評(píng)
厲害!
看了8#的截屏圖,內(nèi)滾道剝離嚴(yán)重,油膜和軸承材料應(yīng)該都有問(wèn)題,軸承出現(xiàn)局部疲勞現(xiàn)象。
正解
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