A.科威特:Korea(Rep.) B.巴基斯坦:Pakistan C.菲律賓:Philippines D.澳大利亞:Austria
A.局域網(wǎng) B.廣域網(wǎng) C.廣播網(wǎng) D.城域網(wǎng)
A.東莞市:523000 B.賀州市:546000 C.百色市:543000 D.江門市:529000