casing soaker

例句：

1. 1. The machine uses a casing soaker to clean the oil filter.
   这台机器使用外壳浸泡器来清洁油滤。
2. 2. The casing soaker is designed to remove impurities from the water.
   外壳浸泡器设计用来去除水中的杂质。
3. 3. The casing soaker is an essential tool for maintaining the cleanliness of the equipment.
   外壳浸泡器是维护设备清洁的重要工具。