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| непроницаемость; магнитная непроницаемость | |||
| газонепроницаемость | |||
| воздухонепроницаемость | |||
| герметичность; газоплотность; воздушная плотность | |||
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气密性 : 18 phrases in 9 subjects |
| Drilling | 1 |
| Electrical engineering | 2 |
| Electronics | 1 |
| General | 4 |
| Military | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 2 |
| Technology | 5 |
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