雙三極管doubletriodevalve: 雙三極管doubletricotmachine: 雙針床經(jīng)編機(jī)doubletrolleyelectriclocomotive: 雙觸輪電機(jī)車doubletricot: 雙面經(jīng)編針織物doubletube core barrel: 雙層巖心管下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯