7254| 13
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有42GrMo材料嗎 |
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點(diǎn)評
Cr老工程師都讀luo,但是新華詞典上讀ge,你懂得,機(jī)械行業(yè)都論資排輩,講究經(jīng)驗(yàn),老工程師設(shè)計(jì)的東西,你就是想法再好,人家也不改!就像是這個(gè)字。包括淬火等等
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