9899| 37
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這兩個(gè)零件好加工么,成本高么 |
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點(diǎn)評(píng)
開(kāi)一套模具不用花錢(qián)嗎,?
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點(diǎn)評(píng)
是的呀,!做人還是實(shí)在一點(diǎn)好
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