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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(wèn)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(shuō)一下。
評(píng)分
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