| 单词 | perforated zinc | 
| 释义 | > as lemmasperforated zinc   perforated zinc  n. now chiefly historical sheet iron or steel made with numerous small perforations and galvanized, formerly widely used for ventilation panels, meat safes, etc. ΚΠ 1850    Harper's Mag. Oct. 618/1  				If you wish to have a thoroughly unhealthy bedroom..use no perforated zinc in paneling; especially avoid it in small bedrooms. So you will get a room full of bad air. 1928    Q. Rev. Biol. 3 386/1  				The hive entrances were always closed with perforated zinc which allows workers to pass in and out freely. 1994    Jrnl. Interdisciplinary Hist. 25 76  				Perishable food was stored in a homemade safe with sides and front of perforated zinc. < as lemmas  | 
	
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