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| битумный гудрон | |||
| асфальтовый гудрон | |||
| асфальтовый остаток; битумный остаток | |||
| 沥青 渣油: 6 phrases in 4 subjects |
| General | 3 |
| Geology | 1 |
| Oil and gas technology | 1 |
| Technology | 1 |
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