| 单词 | lift-slab |
| 释义 | > as lemmaslift-slab lift-slab n. attributive applied to a labour-saving system of building whereby pre-cast components are raised by jacks to the position desired. ΘΚΠ society > occupation and work > industry > building or constructing > [adjective] > manner of construction forked1792 Airey1945 lift-slab1951 1951 (title) Youtz-Slick lift-slab building method (Inst. Inventive Res., San Antonio, Texas). 1960 Economist 22 Oct. 378/3 The ‘lift slab’ principle..was developed in America, the columns are first cast and erected, then pre-cast floor slabs are lifted by synchronised hydraulic jacks. 1962 Daily Tel. 30 Nov. 25/4 A 400,000-gallon watertank resting at the base of a tower before being raised 110 ft by the Lift Slab method... The 95 ft-diameter watertank was raised..in about 40 hours. < as lemmas |
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