reverse osmosis unit

例句：

1. 1. The reverse osmosis unit is used to remove impurities from water.
   反渗透单元用于从水中去除杂质。
2. 2. The reverse osmosis unit is crucial for maintaining the cleanliness of drinking water.
   反渗透单元对于保持饮用水的清洁至关重要。
3. 3. The reverse osmosis unit is a popular choice for home water purification systems.
   反渗透单元是家庭水净化系统的一个受欢迎选择。