| |||
| 主要部机，零部件 | |||
| 主要部件; 主要元件 | |||
| 大件; 关键零件 | |||
| 主要组分 | |||
| 主要成分 | |||
|
major component : 7 phrases in 7 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Economics | 1 |
| International trade | 1 |
| Oceanography & oceanology | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| |||
| 主要部机，零部件 | |||
| 主要部件; 主要元件 | |||
| 大件; 关键零件 | |||
| 主要组分 | |||
| 主要成分 | |||
|
major component : 7 phrases in 7 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Economics | 1 |
| International trade | 1 |
| Oceanography & oceanology | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |