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piston drive
| sampler
| piston drive | |
| auto. | 活塞传 动 |
| sampler | |
| auto.ctrl. | 采样元件 |
| eng.geol. | 取样机 |
| interntl.trade. | 样品检查员 |
| met. | 取样器; 采样器; 取样工 |
| |||
| 活塞传驱动 | |||
| 活塞传动 | |||
| piston drive: 11 phrases in 6 subjects |
| Drilling | 1 |
| Electronics | 2 |
| Engineering geology | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Technology | 3 |
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