The backfilling cost is high if cement is used as a cemented material.
采用水泥作为矿山充填胶结材料，充填成本高。
The gravel is one of the most common materials for abutment backfilling.
砂砾是台背回填工程常用的回填材料之一。
Please clearly indicate the final clearance area and backfilling area for the foundation.
请明确基础的最终清理范围及回填范围。
Please clearly indicate the final clearance area and backfilling area for the foundation.
请明确基础的最终清理范围及回填范围。
应用推荐