Nghĩa của từ gravel layer bằng Tiếng Việt
@Chuyên ngành kỹ thuật
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Đặt câu có từ "gravel layer"
1. The last quaternary continental glacier created the clay, sand and gravel layer 30 - 100 m deep.
2. The gravel layer was created by erosion of the sand, loam and clay during the tertiary ice ages.
3. The gravel layer was created by erosion of the sand, loam and clay during the tertiary ice ages
4. The buildup is Ballasted with a gravel layer of at least 50 mm and 80 kg/m 2.
5. The alluvial system is composed of layers: upper fine sand, medium sand, lower fine sand, and a highly conductive sand/gravel layer at the base.