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| coastal desert; coking plant waste water | |||
| shallow water zone; shoal area | |||
| shoal water zone | |||
| мелководная зона: 7 phrases in 6 subjects |
| Geophysics | 1 |
| Natural resourses and wildlife conservation | 1 |
| Navigation | 1 |
| Oil and gas technology | 2 |
| Technology | 1 |
| Water resources | 1 |