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| 取岩芯法; 筒制法 | |||
| core method: 22 phrases in 8 subjects |
| Agriculture | 1 |
| Automobiles | 3 |
| Construction | 1 |
| Electronics | 1 |
| Engineering geology | 3 |
| Oil / petroleum | 1 |
| Polymers | 1 |
| Technology | 11 |
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