backfilled的中文翻譯是什麼意思

The trench will be backfilled and reinstated to the original condition upon completion of works.

在建造工程竣工後,電纜壕坑將被回填至原狀.

Cement piles ( diameter 600 mm ) are foreseen under slab and inside the backfilled river.

地坪下和回填河道內採用直徑600毫米的水泥攪拌樁.