Clean excavated material shall be used for land reclamation or earthwork where practicable and subject to approval by AA.
可行时，经aa批准，开垦土地或土方工程应使用干净的挖掘物。
The aggregate used in the roller compacted concrete at Gongguoqiao hydropower station was the excavated material from underground caverns which relied on sandstone and SLATE.
功果桥碾压混凝土采用的骨料为地下洞室开挖料，骨料岩性以砂岩和板岩为主。
Even diluted by the terrestrial material excavated from the crater, this component of meteorites is easily identified.
即使被从陨石坑中挖掘出的陆地物质稀释，这种陨石成分也很容易识别。
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