| |||
| 技术改造 | |||
|
technical transformation : 13 phrases in 8 subjects |
| Business | 3 |
| China | 1 |
| Commerce | 1 |
| Ecology | 2 |
| Economics | 3 |
| International trade | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| |||
| 技术改造 | |||
|
technical transformation : 13 phrases in 8 subjects |
| Business | 3 |
| China | 1 |
| Commerce | 1 |
| Ecology | 2 |
| Economics | 3 |
| International trade | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |