| Share | Phrase |
|---|
| 30.39% | servo-motor drive |
| 11.90% | electric [domain related] servo-motor |
| 10.78% | exhaust [physical/chemical] servo-motor |
| 9.00% | steering [purpose] servo-motor |
| 7.75% | control servo-motor [perform operation] |
| 7.31% | control servo-motor |
| 6.32% | connect servo-motor [perform operation] |
| 5.07% | servo-motor [does] control |
| 4.54% | servo-motor operation |
| 4.20% | servo-motor have |
| 2.69% | servo-motor [does] have |