![]() |
| |||
pipe installation; pipe laying |
安装管道 : 51 phrases in 12 subjects |
Agriculture | 2 |
Chemistry | 3 |
Earth sciences | 1 |
General | 2 |
Hydroelectric power stations | 3 |
Metallurgy | 2 |
Oil / petroleum | 1 |
Plastics | 1 |
Refrigeration | 2 |
Shipbuilding | 1 |
Technology | 32 |
Telecommunications | 1 |