Keyesn.[姓氏] 凯斯keyn.键；关键；钥匙；答案adj.关键的；主要的vt.键入；用钥匙锁上；为 ... 调音key of reference引用关键字keyde-on crank楔装曲柄keypunch machine键控穿孔机key video object关键视频对象key refreshrnent密钥更新keyer oscillator键控振荡器keying apparatus键控装置key technologies要素技术key fixing plate固键板key - shifting换把