1·Backfilling, ensure no groove before in the water.
回填前，确保沟槽内无积水。
2·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。
3·Therefore, the upward drift stoping with backfilling is decided to use.
为此决定采用上向进路充填法进行回采。
4·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。
5·Not backfilling silt, corruption and graft, permafrost soil organic matter.
不得回填淤泥、腐植土、冻土及有机物质。
6·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。
7·For the safety of mining underground, the tailings must be solidified before backfilling.
为了保证地下采矿的安全，尾砂须先固化后充填。
8·Through the experiments, the mixture ratio of cemented crushed stone backfilling materials was optimized.
通过试验，优化了碎石胶结充填料配比。
9·In recent years, whole tailings backfilling has become the main development trend for underground mining.
近年来，全尾砂充填已成为地下采矿主要的发展趋势。
10·Whether you're digging, trenching, backfilling or handling material, the Backhoe Loader will meet your needs.
不论您是需要挖掘，开渠，回填还是处理材料。我们的反铲装载机均可以满足您的应用需求。