backfilled的音标

v.回填（挖掘的洞穴）( backfill的过去式和过去分词 )...

The trench will be backfilled and reinstated to the original condition upon completion of works.在建造工程竣工后,电缆壕坑将被回填至原状.Cement piles ( diameter 600 mm ) are foreseen under slab and inside the backfilled river.地坪下和回填河道内采用直径6...