| 单词 | key-operated |
| 释义 | > as lemmaskey-operated key-operated adj. that is locked and unlocked by means of a key; (also of a device) operated by a key or keyboard. ΚΠ 1886 Sci. Amer. 31 July 74/2 A lock wherein there are arranged a knob latch, a key-operated bolt, and a bolt operated by a cam-faced manipulating knob. 1890 Official Gaz. (U.S. Patent Office) 11 Mar. 1407/1 Registering apparatus for key-operated machines. 1963 Financial Times 15 Oct. 17/4 A thief-proof feature is that the ordinary key-operated ignition is replaced by a safe-type combination lock. 1986 National Surv. Professional, Admin., Techn., & Clerical Pay (U.S. Dept. Labor) 84/2 [A] keyboard-controlled data entry device such as..key-operated magnetic tape or disc encoder. 1993 Collins Compl. DIY Man. (new ed.) iv. 249/1 A burglar only has to break a pane to reach the handle inside. Key-operated locks are essential to prevent a break-in. < as lemmas |
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