sand filling
短语词组
- sand -blowing and -filling ground leveling 吹填砂场平
- Sand -filling blasting 填沙爆破
- expressway sand -filling 高速公路包砂
- sand mixing stone shift -filling 砂夹石换填
- tailings -sand filling material 尾砂充填料
- Cemented fine -sand filling mass 细砂胶结充填体
- Weight of sand filling micro -vibration 自重微振填砂 返回 sand filling