请问，现在上网最快的是fiber optic cable 吗？

来源: 相思拌饭于 2017-01-17 11:55:57 [旧帖] [给我悄悄话] 本文已被阅读：次

如题

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

Change Ad Consent