permeater

例句：

1. 1. The permeator is designed to allow water to pass through the material.
   渗透器设计用来让水通过材料。
2. 2.The permeator was used in the manufacturing process to ensure uniformity.
   渗透器在生产过程中被使用来确保均匀性。
3. 3. The permeator can be used to treat soil for improved fertility.
   渗透器可以用来处理土壤，提高肥力。