汉英词典
Chinese-English Dictionary
MEANING OF 同步數位階層
同步數位階層 (同步数位阶层)
synchronous digital hierarchy / SDH
同 tóng 步 bù 数 (數) shù/shǔ/shuò 位 wèi 阶 (階) jiē 层 (層) céng
EXAMPLE SENTENCES

{{ item.english }}

Sorry, couldn't find anything matching sentences

Subtitled Videos