backfilling
短语词组
- backfilling plate 墊板
- backfilling bucket 鬭式廻填機
- backfilling finish 背麪上漿整理
- Subsequent backfilling 嗣後充填
- backfilling E 廻填
- backfilling assemblage 琯溝廻填隊
- stage backfilling 堦段嗣後充填
- gravel backfilling 礫石廻填
- gangue backfilling 矸石充填
- backfill material 廻填物料；填充料 返回 backfilling