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| 井壁取心器 | |||
| 井壁取样器 | |||
| 墙面喷水器 (消防用); 侧墙取样器; 孔壁取样器 | |||
| sidewall sampler: 7 phrases in 4 subjects |
| Drilling | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Oil / petroleum | 4 |
| Technology | 1 |
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