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關(guān)節(jié)軸承的額定動載荷是怎么來的? |
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點(diǎn)評
呵呵,正常工作情況是什么意思?水工閘門中的關(guān)節(jié)軸承99%的時間是不擺動的,不擺動是不是正常工作工況?
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