HDSL造句
Despite their speed, the IDSN, ADSL and
HDSL protocols do have limitations.
尽管传输速度快, ISDN 、 ADSL和
HDSL协议也都有局限性.
With
HDSL, they can do it in an hour.
用
HDSL,安装只要1小时.
HDSL is the most established of the XDSL technologies.
HDSL是XDSL技术 中最早建成的一种.