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不銹鋼鉆孔用醬油作潤滑劑更好?--[請(qǐng)教] |
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點(diǎn)評(píng)
具體原理不清楚,當(dāng)時(shí)公司里在做這個(gè),使用潤滑油,絲錐老是斷,后來老爺子說用醬油泡泡,結(jié)果一個(gè)絲錐使用壽命增長十倍不止
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