3277| 13
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經(jīng)驗(yàn)之談:小孔加工 |
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點(diǎn)評(píng)
其實(shí)也是逼的,最后才用合金刀桿的
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點(diǎn)評(píng)
哈哈,孔車(chē)的不好,材料還可作它用
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