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設(shè)計(jì)收費(fèi)問(wèn)題 |
點(diǎn)評(píng)
成本8w左右吧
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這算是比較簡(jiǎn)單的裝配機(jī)
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點(diǎn)評(píng)
這叫按鈕開(kāi)關(guān)
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