| |||
nieprzenikliwy dla metanu | |||
gazoszczelny; nieprzepuszczalny dla gazów |
газонепроницаемый : 12 phrases in 8 subjects |
Chemistry | 1 |
Construction | 1 |
Electrical engineering | 2 |
Electronics | 1 |
Metallurgy | 1 |
Mining | 3 |
Occupational health & safety | 1 |
Technology | 2 |