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| сопловой наконечник | |||
| головка форсунки | |||
| сопловая головка | |||
| 喷嘴头: 20 phrases in 6 subjects |
| Drilling | 2 |
| General | 2 |
| Oil / petroleum | 1 |
| Oil processing plants | 2 |
| Oilfields | 1 |
| Technology | 12 |
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