cement throwing jet

例句：

1. 1. The cementthrowing jet was used to mix the concretefor the construction site.
   水泥喷射机被用来搅拌混凝土，用于建筑工地。
2. 2. Thecement throwing jet is a crucial tool inthe construction industry.
   水泥喷射机是建筑业中至关重要的工具。
3. 3. The cement throwing jet wasused to level the ground before the constructionbegan.
   在施工开始之前，水泥喷射机被用来平整地面。