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技術(shù)難題,找高手中的高手 |
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點(diǎn)評(píng)
不知道量有多大,而且坯料是什么樣子的,是管材還是棒料?這個(gè)很重要吧 ,如果管料量大,而且內(nèi)孔尺寸一致性高的話,我覺得可以中間裝心軸來(lái)鉆,316很粘刀,慢慢鉆
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