n.自動(dòng)繪圖頭,自動(dòng)跟蹤頭 tracing head: 復(fù)制頭; 描繪跟蹤頭automatic tracing: 自動(dòng)跟蹤; 自動(dòng)描跡wheel tracing head: 機(jī)械跟蹤頭automatic calling subscriber tracing: 自動(dòng)追查主叫用戶號(hào)碼automatic tracing audiometer: 自描聽(tīng)力計(jì)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
