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國貨的性價比很好,它原來差在服務! |
點評
直接原因是惡性價格競爭,深層原因是知識產權保護不利。
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小黑屋|手機版|Archiver|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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