The trench will be backfilled and reinstated to the original condition upon completion of works.
在建造工程竣工后,電纜壕坑將被回填至原狀.
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Cement piles ( diameter 600 mm ) are foreseen under slab and inside the backfilled river.
地坪下和回填河道內(nèi)采用直徑600毫米的水泥攪拌樁.
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