4975| 18
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菜鳥求助-推力軸承概念,? |
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點(diǎn)評
經(jīng)驗(yàn)之談,,哈
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點(diǎn)評
就是它,,還有一種是滾珠的
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點(diǎn)評
這種軸承跟回轉(zhuǎn)支撐起的作用一樣的
你可以搜搜回轉(zhuǎn)支撐
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