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縱橫天下
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樓主  發(fā)表于: 2019-08-15 17:25
本人做項目多采購了一個(gè)西門(mén)子300的模塊（型號6ES7 321 -1BL00-0AA0)有需要的朋友可以找我，我手機號是18613019196。模塊決對是新的，但沒(méi)有了包裝，價(jià)格可以商量

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