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| 天然地沥青 | |||
| 岩〔石,天然〕沥青 | |||
| 天然沥青 | |||
| 天然〔石油〕沥青 | |||
| 石沥青 | |||
| 岩石地沥青; 岩沥青; 沥青岩; 天然地沥青 | |||
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| 岩〔天然〕沥青 | |||
| rock asphalt: 28 phrases in 5 subjects |
| Architecture | 3 |
| Construction | 1 |
| Engineering geology | 2 |
| Oil / petroleum | 1 |
| Technology | 21 |
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