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机械式取心
| 器
| 机械式取心 | |
| oil | mechanical coring |
| 器 | |
| gen. | etc.; implement; utensil; apparatus |
| space | aboard; trained model |
| telecom. | meter |
| |||
| mechanical coring | |||
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机械式取心 : 4 phrases in 2 subjects |
| Drilling | 1 |
| Oil / petroleum | 3 |
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