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| sequence of strata | |||
| stratigraphic sequence; stratigraphical sequence; succession of strata | |||
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地层层 次 : 28 phrases in 7 subjects |
| Bridge construction | 3 |
| Drilling | 1 |
| Earth sciences | 2 |
| Engineering geology | 2 |
| Mining | 3 |
| Oil / petroleum | 3 |
| Technology | 14 |
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