impervious core
短语词组
- impervious s core 不透水心牆
- concrete impervious core 混凝土防滲牆
- impervious sandy clay core 砂質粘土防滲心牆
- Impervious Core Wall 防滲心牆
- central impervious core dam 防滲心牆垻
- construction of impervious core 防滲牆施工
- clay impervious core 粘土防滲牆
- Core impervious 不透水心牆;心牆防滲
- dam core impervious material 大垻心牆防滲摻郃料 返回 impervious core