| |||
seal gate | |||
air-tight door; hermetically sealed door; hermetic door |
密 封 门 : 64 phrases in 12 subjects |
Architecture | 1 |
Automobiles | 30 |
Aviation | 2 |
Drilling | 2 |
Electronics | 3 |
General | 2 |
Metallurgy | 3 |
Nautical | 1 |
Rail transport | 2 |
Refrigeration | 2 |
Space | 2 |
Technology | 14 |