base rock
短语词组
- base -rock detecting system 根石探测系统
- Base -rock excavation 基岩开挖
- Yellow River base rock 黄河根石
- hard base rock 硬基岩
- base rock foundation 基岩地基
- base rock weathering crust 基岩风化壳
- base rock excavation 基岩开挖
- base rock outcrop area 基岩出露区 返回 base rock