multitube
| exchanger
| multitube | |
| gen. | 多 管 |
| avia. | 多真空管 |
| energ.ind. | 复用真空管; 多电子管 |
| oil | 复极真空管 |
| exchanger | |
| interntl.trade. | 交易者; 兑换商 |
| met. | 交换器; 换热器; 交换剂 |
| oil | 交换程序 |
| tech. | 交换机 |
| telecom. | 交换器 |
| |||
| 多电子，真空管 | |||
| 多真空管 | |||
| 复用真空管; 多电子管 | |||
| 复极真空管 | |||
| 多管的 | |||
|
multitube : 32 phrases in 9 subjects |
| Aviation | 1 |
| Chemistry | 2 |
| Electricity | 1 |
| Metallurgy | 2 |
| Power electronics | 1 |
| Space | 3 |
| Technology | 20 |
| Water resources | 1 |
| Wind Energy | 1 |