1·The simplest stonework is rubble roughly broken stones bound in mortar. ashlar work consists of regularly cut blocks with squared edges.
最简单的石料加工品是粗石，在研磨机中粗略地破碎的石头。方石加工品是由整齐地切割出具方形边缘之石块所组成。
2·The simplest stonework is rubble, roughly broken stones bound in mortar. ashlar work consists of regularly cut blocks with squared edges.
最简单的石料加工品是粗石，在研磨机中粗略地破碎的石头。方石加工品是由整齐地切割出具方形边缘之石块所组成。
3·Ashlar work consists of regularly cut blocks with squared edges.
方石加工品是由整齐地切割出具方形边缘之石块所组成。