美、日舉行對朝政策協(xié)調(diào)會政策協(xié)調(diào)監(jiān)督小組會議tcon time converter: 時間轉(zhuǎn)換器tco trunk cut off: 干線切斷tconnectorr: 形線夾tco total cost ownership: 總體運營成本tcos trunk class of service: 服務(wù)的中繼線等級下載手機詞典可隨時隨地查詞查翻譯