6053| 19
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前几天焊了个小玩意,请大师们指教一下 |
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发表于 2018-11-16 14:35:34
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发表于 2018-11-16 14:46:43
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点评
那就试试吧,攻两扣,退一扣,别忘了加攻丝油润滑降温
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