backfilling
短語詞組
- backfilling plate 墊板
- backfilling bucket 斗式回填機
- backfilling finish 背面上漿整理
- Subsequent backfilling 嗣后充填
- backfilling E 回填
- backfilling assemblage 管溝回填隊
- stage backfilling 階段嗣后充填
- gravel backfilling 礫石回填
- gangue backfilling 矸石充填
- backfill material 回填物料；填充料 返回 backfilling