| |||
gas shield | |||
gas curtain | |||
air wall; draught excluder; gas-proof curtain | |||
air curtain |
气幕 : 48 phrases in 11 subjects |
Agriculture | 2 |
Aviation | 2 |
Bridge construction | 9 |
Electronics | 2 |
Explosives and Explosive Ordnance Disposal | 3 |
Metallurgy | 6 |
Nautical | 1 |
Rail transport | 2 |
Refrigeration | 3 |
Space | 1 |
Technology | 17 |