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| gasförmiger Brennstoff | |||
| Gaszusammensetzung m; Rohgasqualität | |||
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| Erdgaszusammensetzung m | |||
| состав газа: 16 phrases in 10 subjects |
| Automobiles | 1 |
| Aviation | 3 |
| Chemistry | 1 |
| Geology | 1 |
| Medical appliances | 1 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 4 |
| Optics branch of physics | 1 |
| Silicate industry | 1 |