subsieve size apparatus

例句：

1. 1. Theengineer designed a subsieve size apparatus to improve the efficiency of thefiltering process.
   工程师设计了一个筛子大小的装置来提高过滤过程的效率。
2. 2. The subsieve size apparatus was usedto separate the fine particles from the largerones in the sand.
   筛子大小的装置被用来从沙子中分离出细小的颗粒和较大的颗粒。
3. 3. The subsieve size apparatus is crucial for maintaining thecleanliness of the water supply system.
   筛子大小的装置对于保持供水系统的清洁至关重要。