| Share | Phrase |
|---|
| 34.86% | air-fuel [does] ratio-calculating |
| 25.64% | ratio-calculating means [perform operation] |
| 8.48% | fuel [does] ratio-calculating |
| 5.74% | cycle ratio-calculating |
| 5.27% | supply [does] ratio-calculating |
| 5.22% | surface ratio-calculating |
| 3.48% | passage ratio-calculating |
| 2.81% | operation [does] ratio-calculating |
| 2.59% | fuel ratio-calculating |
| 2.50% | amount ratio-calculating |
| 2.14% | operation ratio-calculating |
| 1.21% | engine ratio-calculating |