综合服务数位网络 (綜合服務數位網絡) zōnghé fúwù shùwèi wǎngluò

zōnghé fúwù shùwèi wǎngluò proper noun Integrated Services Digital Network / ISDN
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '綜合服務數位網絡')