![]() |
| |||
给水管 |
supply water pipe : 40 phrases in 11 subjects |
Angling hobby | 1 |
Aviation | 1 |
China | 2 |
Electric machinery | 3 |
Engineering geology | 1 |
Hydroelectric power stations | 5 |
Metallurgy | 3 |
Rail transport | 3 |
Refrigeration | 1 |
Technology | 19 |
Water resources | 1 |