3519| 12
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什么原因造成齒輪損壞成這樣的 |
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點(diǎn)評(píng)
說說看,,如果你在現(xiàn)場,,怎么分析,怎么處理,?
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點(diǎn)評(píng)
齒輪安裝的誤差大造成齒局部受力,。
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