external water separator

例句：

1. 1.The external water separator is essential for maintaining the cleanliness of the drinking water.
   外部水分离器对于保持饮用水的清洁至关重要。
2. 2.The design of this external water separator has been optimized to improve efficiency.
   这种外部水分离器的设计理念已被优化，以提高效率。
3. 3.The external water separator is used in many household appliances to prevent contamination of the drinking water.
   外部水分离器被广泛用于许多家用电器中，以防止饮用水受到污染。