 |
| |||
| mur à deux couches; mur double; double paroi | |||
| double double face | |||
| |||
| paroi double; paroi multiple | |||
|
double wall : 32 phrases in 12 subjects |
| Chemistry | 1 |
| Construction | 11 |
| Customs | 1 |
| Energy industry | 1 |
| General | 3 |
| Materials science | 2 |
| Mechanic engineering | 2 |
| Medical appliances | 2 |
| Nuclear physics | 1 |
| Packaging | 3 |
| Radiation | 1 |
| Technology | 4 |