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| cracking | |||
| cracking process | |||
| cracking of heavy petroleum oils by heat (разложение тяжёлых масел нефти под действием высокой температуры) | |||
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крекирование : 14 phrases in 6 subjects |
| Aviation | 1 |
| Makarov | 1 |
| Oil / petroleum | 8 |
| Oil and gas | 1 |
| Technology | 2 |
| Welding | 1 |