| |||
gas pipe | |||
gas piping; gas conduit | |||
gas-main; gas mains | |||
gas tube | |||
| |||
gas pipe line |
conduite de gaz: 33 phrases in 10 subjects |
Chemistry | 2 |
Construction | 6 |
Earth sciences | 4 |
Energy industry | 3 |
General | 4 |
Industry | 2 |
Mechanic engineering | 1 |
Metallurgy | 6 |
Municipal planning | 1 |
Transport | 4 |