The wideband subscriber loop system provides access to services such as picturephone, video entertainment.

宽带用户环路系统将为可视电话、视频娱乐节目等业务提供通路。

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The wideband subscriber loop system provides access to services such as picturephone, video entertainment.

宽带用户环路系统将为可视电话、视频娱乐节目等业务提供通路。

youdao