| 单词 | bridging floor | 
| 释义 | > as lemmasbridging floor   bridging floor  n. Building (now historical) a floor in which bridging joists are employed, esp. a wide floor requiring the bridging joists to be supported by one or more binding joists. ΚΠ 1733    F. Price Treat. Carpentry p. ii  				In Bridging-Floors, do not place your Binding or Strong-Joists above four or five Feet apart. 1774    T. Skaife Key Civil Archit. lvi. 210  				Surveyors allow about the same for those [sc. common naked floors] as the bridging floors; because the quantity of materials run near the same. 1989    D. Yeomans in  H. Hobhouse  & A. Saunders Good & Proper Materials 39/2  				Two kinds of floor were used, one simply having common joists and girders while for better quality work a bridging floor was used. < as lemmas  | 
	
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