- Отрасли: Government
- Number of terms: 15655
- Number of blossaries: 0
- Company Profile:
A U.S. Department of the Interior agency that oversees water resource management incuding the oversight and operation of numerous diversion, delivery, and storage projects the agency has built throughout the western United States for irrigation, water supply, and attendant hydroelectric power ...
也稱為流動的填充或水泥料漿回填,火山灰、 矽酸鹽水泥、 水、 粗骨料,和偶爾土壤,通常用於管床上用品和回填的有實力的 50-100 psi 在 28 天的混合物。
Industry:Engineering