砂滤层 meaning in English
sand blanket
sand filter bed
sand filter blanket
sand filter layer
sand infiltration bed
sand screen
Examples
- In smoke shan among the course , can is it come down to stop grades of detailed sand grain , form steady sand strain layer
在抽i油过程中，能将级细的砂粒阻挡下来，并形成稳定的砂滤层。