| 释义 |
backfilling
英音 [ ˈbækfɪlɪŋ ]
美音 [ ˈbækfɪlɪŋ ]
释义
n. [建]回填
v. [建]回填（backfill 的 ing 形式）
例句
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。
短语
1·backfill material
回填物料；填充料
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