| |||
支套管; 三通管 | |||
歧套,支,三通管 | |||
分支管 | |||
支杆 | |||
三通; 套管 | |||
叉管 | |||
支管 | |||
歧管 | |||
分流管 | |||
支管道; 岔管 |
branch pipe : 45 phrases in 9 subjects |
Architecture | 1 |
Construction | 1 |
Hydroelectric power stations | 5 |
Metallurgy | 3 |
Nautical | 3 |
Rail transport | 7 |
Refrigeration | 1 |
Shipbuilding | 1 |
Technology | 23 |