| |||
degree of aeration | |||
gas permeability | |||
air permeability; venting quality | |||
gas transmission | |||
air porosity | |||
unfilled porosity | |||
| |||
porosity |
透气度 : 25 phrases in 9 subjects |
Architecture | 2 |
Aviation | 1 |
Desert science | 2 |
General | 1 |
Metallurgy | 4 |
Oil / petroleum | 2 |
Shipbuilding | 2 |
Technology | 10 |
Wind Energy | 1 |