backfilled造句

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600毫米的水泥搅拌桩.