2976| 16
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成熟的工程師肯定很會(huì)控制成本吧 |
評(píng)分
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點(diǎn)評(píng)
批量件才那樣,。
非標(biāo)件幾件幾十件,主要考慮方便加工,,多加工幾個(gè)孔幾個(gè)百價(jià)格差不多,。
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該噴
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