| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| research and development about spring | 1.88 | 0.2 | 9068 | 2 | 37 |
| research | 0.05 | 0.2 | 8506 | 60 | 8 |
| and | 0.48 | 0.9 | 5375 | 72 | 3 |
| development | 1.71 | 0.5 | 4471 | 61 | 11 |
| about | 1.97 | 0.1 | 5185 | 42 | 5 |
| spring | 0.12 | 0.1 | 1645 | 73 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| research and development about spring | 1.44 | 0.9 | 4855 | 91 |
