mortar rubble masonry

例句：

1. 1.The masonry was built with traditional techniques.
   这座建筑采用了传统的建造技术。
2. 2. The mortar between the bricks is not strong enough.
   砖与砖之间的砂浆不够牢固。
3. 3. The builder used a special mortar to make the wall stronger.
   建筑师使用了一种特殊的砂浆来使墙壁更坚固。