9342| 30
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請(qǐng)教下為什么滾珠絲杠是雙列槽,但是實(shí)際卻只用一列 |
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點(diǎn)評(píng)
好好說話,,不要一上來這么沖一句“沒買過模組,?”,好像你買過模組就很牛逼一樣的
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點(diǎn)評(píng)
搞機(jī)的,,心靈這么脆弱。,。,。。,。,。。,。,。。,。,。。,。,。。,。,。。,。,。。,。,。。
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