pneumatic sand system

例句：

1. 1. The pneumatic sand system is designed for efficient sand removal in construction sites.
   气动砂系统设计用于建筑工地高效的砂移除。
2. 2. The pneumatic sand system has proven to be a cost-effective solution for sand control in industrial environments.
   气动砂系统已被证明是工业环境中砂控制的经济有效解决方案。
3. 3. In this project, the pneumatic sand system was used to efficiently clean up the debris from the construction site.
   在这个项目中，气动砂系统被用来有效地清理施工场地的垃圾。