Contract procedures for building works - part c : general technical specifications for building works ; ashlar works 建筑工程合同.第c部分:建筑工程通用技术规范.毛石作
英文解释
a rectangular block of hewn stone used for building purposes
百科解释
Ashlar is finely dressed (cut, worked) masonry, either an individual stone that has been worked until squared or the masonry built of such stone. Ashlar is the finest stone masonry unit, generally cuboid or less frequently trapezoidal.