 |
| |||
| boundary | |||
| sheeting plane | |||
| plane foliation; plane of stratification | |||
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| split level | |||
| 分层 面: 25 phrases in 12 subjects |
| Air defense | 1 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Food service and catering | 1 |
| General | 2 |
| Metallurgy | 3 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 8 |
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