When your dual sim card used for a long time, please use the ball pen to touch the 12 small metal dots in order to make them connect better.是什么意思_When your dual sim card used for a long time, please use the ball pen to touch the 12 small metal dots in order to make them connect better.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句