5103| 9
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想尋找先進(jìn)點(diǎn)(自動(dòng)化程度高)的平面口罩和N95口罩機(jī) |
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點(diǎn)評
口罩機(jī)技術(shù)都很成熟了,圖紙都公開化,兩個(gè)月掙幾百幾千萬很輕松,身價(jià)過億的也很多很多
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