impervious core
短语词组
- impervious s core 不透水心墙
- concrete impervious core 混凝土防渗墙
- impervious sandy clay core 砂质粘土防渗心墙
- Impervious Core Wall 防渗心墙
- central impervious core dam 防渗心墙坝
- construction of impervious core 防渗墙施工
- clay impervious core 粘土防渗墙
- Core impervious 不透水心墙;心墙防渗
- dam core impervious material 大坝心墙防渗掺合料 返回 impervious core