formation testing
| operations
| formation testing | |
| mining. | 地层测试 |
| operations | |
| econ. | 动作; 动作部 |
| interntl.trade. | 经营; 营业; 损益; 业务活动 |
| oil | 运转; 操作; 作业; 运行 |
| |||
| 地层测试 | |||
| 地层试验 | |||
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formation testing : 10 phrases in 6 subjects |
| Dermatology | 2 |
| Earth sciences | 1 |
| Geophysics | 2 |
| Mining | 2 |
| Pediatrics | 1 |
| Technology | 2 |