impermeable layer
短语词组
- impermeable material layer 不透水材料层
- impermeable barrier layer 非渗透性隔层
- bottom impermeable layer 下封闭层
- water -impermeable layer 不透水层
- relative impermeable layer 相对隔水层
- clay impermeable layer 黏土防渗层
- HDPE membrane impermeable layer HDPE 膜防渗层
- bottom m impermeable layer 下封闭层
- impermeable layer on pond bottom 池底防渗层 返回 impermeable layer