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20010921
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樓主  發(fā)表于: 2020-07-20 10:33
我在別人哪里得知，現在外面有一款不帶電也不帶氣的口罩販賣(mài)機，假設不是依靠買(mǎi)家良心付費。那么他是通過(guò)什么樣的結構來(lái)完成這種不帶電源的口罩販賣(mài)？
個(gè)人感覺(jué)不帶電我是真的想不出來(lái)怎么達到口罩販賣(mài)。
ljb6688
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1樓  發(fā)表于: 2020-07-20 11:16
腳踏板縫紉機的原理吧
電氣自動(dòng)化，智能化控制，數據遠傳采集。工控元件代理，機器人附件    

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