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止推軸承能豎著用嗎? |
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點(diǎn)評(píng)
人家那是滾子型的推力軸承。。并且這個(gè)模型上,就是兩個(gè)平板一樣的松圈和緊圈。呵呵,仔細(xì)很重要,不然會(huì)答非所問。
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