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gk1234
有反饋，才控制
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樓主  發(fā)表于: 2020-07-10 10:14
 從兩家買(mǎi)的，保護膜和說(shuō)明書(shū)，站長(cháng)幫忙看看那個(gè)是真的。plc本體上的防偽簽都沒(méi)問(wèn)題
[ 此帖被gk1234在2024-07-17 19:56重新編輯 ]
往事如風(fēng)
科技改變制造
級別: 網(wǎng)絡(luò )英雄

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1樓  發(fā)表于: 2020-07-10 22:26
有個(gè)好平臺不用，非要去涉險買(mǎi)假貨，哎
三人行者必有我師 ，擇其善者而從之

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