2499| 4
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國(guó)外的鋼軌鉆孔機(jī),,這是怎么傳動(dòng)的 |
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點(diǎn)評(píng)
進(jìn)給就是花鍵配合,,,,,,,,或者單鍵,,,,,間隙配合,,不用給你動(dòng)畫(huà)吧。
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