5280| 24
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熱變形問題 |
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點(diǎn)評(píng)
材質(zhì)是45號(hào)鋼,調(diào)質(zhì)處理硬度28hrc
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點(diǎn)評(píng)
大俠,這個(gè)外面有夾緊的,還是向外嗎?
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