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Hello! I got the red C line and black T means positive?Why did I get the black T?
你好!在測試中我得到了紅色C和黑色T,這是否意味著陽性?
Hello! I got the red C line and black T means positive?
Why did I get the black T?
你好!在測試中我得到了紅色C和黑色T,這是否意味著陽性?