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| 比例调节器 | |||
| ★ 比值控制器 | |||
| 关系调整器; 比值调节器; 比例控制器 | |||
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ratio controller : 18 phrases in 12 subjects |
| Automated equipment | 2 |
| Automobiles | 2 |
| Aviation | 2 |
| Chemistry | 1 |
| General | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Navigation | 1 |
| Oil processing plants | 1 |
| Space | 2 |
| Technology | 3 |