Earth-fill (or earthwork) is the process of importing, placing, and compacting soil into depressions, holes, or engineered structures like dams and foundations. 填土工程（或土方工程）
Earth-fill (or earthwork) is the process of importing, placing, and compacting soil into depressions, holes, or engineered structures like dams and foundations. 填土工程（或土方工程）