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關(guān)于鋼套鉆孔劃線找正的問(wèn)題 |
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點(diǎn)評(píng)
兄弟,,你沒(méi)有聽(tīng)過(guò)的事多了去了,你就說(shuō)那些不存在?
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評(píng)分
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點(diǎn)評(píng)
不是高手,但孔20里面的軸放銷子,裝配工人省力一點(diǎn)...
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