waterglass mortar

例句：

1. 1.The engineer used a water glass mortar to mix the concrete.
   工程师使用水玻璃砂浆混合混凝土。
2. 2. The construction crew was using water glass mortar to build the foundation of the new building.
   建筑队正在使用水玻璃砂浆建造新建筑的基础。
3. 3.The builders were using water glass mortar to level the surface of the floor before painting it.
   建筑工人在使用水玻璃砂浆平整地板表面，以便上漆。