| 单词 | tack coat |
| 释义 | > as lemmastack coat tack coat n. (see quot. 1954). ΘΚΠ society > occupation and work > materials > raw material > mineral material > mineral and fossil resins > [noun] > bitumen or pitch > coat of tack coat1949 1949 Sun (Baltimore) 17 Oct. 26/3 Workmen spread a ‘tack coat’ of asphalt on the old pavement. 1954 Gloss. Highway Engin. Terms (B.S.I.) 28 Tack coat, a coat of liquid (such as bitumen, road tar, or an emulsion thereof) applied as a thin film to a surface to improve the adhesion of a course laid thereon. 1979 Civil Engin. Nov. 27/1 The painting on of a grid of levels on the tack coat by engineers. < as lemmas |
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