 |
| |||
| 粒级层理 | |||
| 由粗到细的沉积旋廻 | |||
| 粒级层; 序粒层 | |||
| 递变层理 | |||
| 粒序层理 | |||
| 级配垫层; 渐变层; 级配基床 | |||
| graded bedding: 12 phrases in 3 subjects |
| Architecture | 1 |
| Oil / petroleum | 5 |
| Technology | 6 |
|
| |||
| 粒级层理 | |||
| 由粗到细的沉积旋廻 | |||
| 粒级层; 序粒层 | |||
| 递变层理 | |||
| 粒序层理 | |||
| 级配垫层; 渐变层; 级配基床 | |||
| graded bedding: 12 phrases in 3 subjects |
| Architecture | 1 |
| Oil / petroleum | 5 |
| Technology | 6 |