查DSL網速的方法很多.
你的ISP有沒有上門推銷光纖服務? 有沒有讓你升級? 折騰你幾下就有錢賺了.
查DSL網速的方法很多.
你的ISP有沒有上門推銷光纖服務? 有沒有讓你升級? 折騰你幾下就有錢賺了.
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