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有誰(shuí)知道德國(guó)GGB滑動(dòng)軸承? |
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點(diǎn)評(píng)
呵呵,是美國(guó)的,不是德國(guó)的!
請(qǐng)問您設(shè)計(jì)滑動(dòng)軸承時(shí),一般會(huì)注意什么,能否言簡(jiǎn)意賅的說一下。
評(píng)分
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