英语词汇“sdh (synchronous digtal hierarchy)”的翻译、意思、用法、释义-英汉汉英词典

单词	sdh (synchronous digtal hierarchy)
释义	SDH (Synchronous Digtal Hierarchy)同步数字阶层学术☞SDH
随便看	down in (或at) the mouth down jacket down key down l. downland downlap downlap surface down lead down-lead down lead (leading in wire) down lead(leading in wire) downless downlight downlighter downlike down line down-line downline down-line key loading downline load downline-load facility downline loading downline system load downline task load down line [truck]