| Share | Phrase |
|---|
| 25.23% | surrounding [location] relationship |
| 24.94% | surrounding [location] relation |
| 11.40% | surrounding [location] cowling |
| 3.96% | surrounding [location] air |
| 3.77% | surrounding [location] gas |
| 3.20% | surrounding [location] wall |
| 2.46% | surrounding [location] structure |
| 2.24% | surrounding [location] component |
| 2.02% | surrounding [location] surface |
| 1.86% | surrounding [location] chamber |
| 1.86% | surrounding [location] portion |
| 1.65% | surrounding [location] atmosphere |
| 1.58% | surrounding [location] jacket |
| 1.49% | surrounding [location] material |
| 1.45% | surrounding [location] section |
| 1.33% | surrounding [location] part |
| 1.28% | surrounding [location] pressure |
| 1.28% | surrounding [location] drum |
| 1.26% | surrounding [location] body |
| 1.26% | surrounding [location] groove |
| 1.22% | surrounding [location] housing |
| 1.19% | surrounding [location] sleeve |
| 1.01% | surrounding [location] member |
| 0.95% | surrounding [location] condition |