earth excavation
短语词组
- rock and earth excavation 土石方開挖
- earth and rock excavation 土石料開採
- frozen earth excavation 凍土挖掘
- mechanized earth excavation 機械化挖土
- earth excavation technique 挖土技術
- volume of earth excavation 土方躰積
- earth -rock excavation 土石方開挖
- earth and rock excavation machinery 土石方開挖機械
- earth excavation outside the caisson 井外挖土 返回 earth excavation