6109| 14
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有沒有比較了解油缸體機(jī)加工藝的,請(qǐng)講一講 |
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那就先補(bǔ)課,自己用“油缸缸體”和類似字眼為關(guān)鍵詞上網(wǎng)搜索資料,有點(diǎn)基礎(chǔ)知識(shí)后再提問。學(xué)技術(shù),自學(xué)最主要。
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