| |||
vacuum seal; vacuum-tight; vacuum tight seal | |||
vacuseal | |||
closing vacuum | |||
hermetic seal; leak tight; vacuum seal (tight); vacuum tight; vacuum tightness |
真 空 密封 : 38 phrases in 12 subjects |
Automobiles | 2 |
Aviation | 4 |
Business | 1 |
Chemistry | 6 |
Electronics | 1 |
Engineering geology | 1 |
General | 2 |
Hydroelectric power stations | 1 |
Metallurgy | 9 |
Oil processing plants | 1 |
Plastics | 1 |
Technology | 9 |