| 单词 | alarm circuit | 
| 释义 | > as lemmasalarm circuit   alarm circuit  n. ΚΠ 1852    Amer. Jrnl. Sci. 63 65  				The Alarm Circuit is so arranged that it may be completed by depressing a key at the Central Office. 1947    Locomotive Cycl. Amer. Pract. 		(ed. 13)	 93/1  				A locomotive operator must be advised of faulty operation of..power plants..under his control and alarm circuits are used for this purpose. 2010    Evening Chron. 		(Newcastle)	 		(Nexis)	 15 Jan.  a16  				AEI will be designing and manufacturing the cable and wiring to supply power, lighting, data communications, fire protection and alarm circuits. < as lemmas  | 
	
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