雙閉管 doubly closed tube: 雙閉管doubly closed shell nuclei: 雙閉合殼層核doubly-closed-shell isotope: 雙閉合殼層同位素closed tube: 閉管; 聯(lián)通管closed delivery tube: 閉式輸種管下載手機詞典可隨時隨地查詞查翻譯