clay core
短語(yǔ)詞組
- clay central core 粘土心墻
- clay impervious core 粘土防滲墻
- clay -core gravel sand dam 砂礫石粘土心墻壩
- clay central core embankment dam 粘土心墻土石壩
- inclined clay -core wall 粘土斜墻
- clay sloping core roch -fill dam 粘土斜心墻堆石壩
- clay core wall 粘土心墻 返回 clay core