終端機控制元件 tce terminal control element: 終端控制單元tce transmission control element: 傳輸控制元件tce transit connection element: 轉(zhuǎn)接連接單元ltmce line terminal control element: 線路終端控制部件tce transmission control equipment: 傳輸控制設(shè)備下載手機詞典可隨時隨地查詞查翻譯