| 单词 | perch iron | 
| 释义 | > as lemmasperch iron   perch iron  n. iron parts forming the perch of a carriage. ΚΠ 1874    Subject-matter Index Patents 1790–1873 		(U.S. Patent Office)	 II. 1031  				Perch-irons, Die for making. J. W. Sheppard. Plantsville, Conn. Feb. 20, 1872. a1884    E. H. Knight Pract. Dict. Mech. Suppl. 667/2  				Perch iron is a term inclusive of the iron parts generally. < as lemmas | 
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