backfilling的中文翻譯是什麼意思

Mining backfilling is restrained by relatively high filling cost.

充填採礦由於充填成本較高而制約著其發展.

High - water rapid - hardening backfilling with whole tailings is a new developed backfilling technology.

全尾砂高水速凝充填技術是一項新近發展起來的充填技術.

Its dam foundation grout curtain and backfilling technologies are advanced.

在大壩基礎工程帷幕灌漿、回填技術上處同行之首.

Taking tails are consolidated with high water material as backfilling is a new type backfilling method.

高水固結尾砂充填採礦是一種新型充填採礦法.

Please clearly indicate the final clearance area and backfilling area for the foundation.

請明確基礎的最終清理範圍及回填範圍.