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| 井壁取心器 | |||
| 井壁取芯器; 侧面取土器; 井壁取土器; 侧冰川 | |||
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боковой грунтонос : 8 phrases in 5 subjects |
| Drilling | 1 |
| General | 2 |
| Geology | 1 |
| Oil / petroleum | 3 |
| Sakhalin | 1 |
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