plugging material
短语词组
- downhole plugging material 井底堵塞材料
- grouting and plugging material 注浆堵漏材料
- colloid composite plugging material 胶质复合堵漏材料
- fireproof plugging material 防火封堵材料
- Inorganic waterproof plugging material 无机防水堵漏材料
- aggregate of plugging material 封堵骨料
- plugging material evaluation system 堵漏材料评价系统
- blast -holes-plugging material 炮孔堵塞材料 返回 plugging material