揿键式现金出纳机 揿键式现金出纳机的英文 英语翻译 press-down-key cash register 拓展翻译 普通现金general cash普通现金簿general cash book揿press揿钮snap频率按键frequency keying平伏键equatorial bond平行键sliding key平键equatorial bond屏极按键plate keying屏幕打印键print screen key奇电子键odd electron bond奇数电子键odd electron bond启动键activate key; start key起始键initial key前后文内关键字KWIC前后文外关键字keyword out context; KWOC强键带valence bond band羟基键hydroxyl bond桥环键endocyclic bond桥键bridge bond; bridging