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(求助)用于提升機(jī)雙排鏈的銷子不是斷就是彎 |
評(píng)分
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點(diǎn)評(píng)
現(xiàn)在用的材料42CrMo 熱處理后硬度HRC46 就斷 熱處理后硬度HRC31 就彎
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點(diǎn)評(píng)
你瞎?沒完了,狗幣。不愿意理你了,還跑之前的帖子下面回復(fù)。隨你吧,想跟著爹就跟著爹跑,別亂咬就行。
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