| 单词 | electro-contact | 
| 释义 | > as lemmaselectro-contact   electro-contact adj.  Brit.  , U.S.  , ΚΠ 1880    C. Sleeman Torpedoes iv. 63  				The inertia circuit closer is employed in connection with electro contact mines. 1903    Daily Chron. 25 June 4/3  				The relative merits of electro-contact and observation mines. 2001    C. Jones in  D. Stevens  & J. Reeve Southern Trident xi. 163  				[At the beginning of the twentieth cent.] there were two basic kinds of mine, electro-contact (EC) and electroobservation (EO) mines, the latter usually the larger. < as lemmas  | 
	
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