| English | eng-000 |
| precombustion | |
| 普通话 | cmn-000 | 预燃 |
| 普通话 | cmn-000 | 预燃烧 |
| eesti | ekk-000 | eelsüüde |
| English | eng-000 | pre-burning |
| English | eng-000 | preflame |
| English | eng-000 | preignition |
| English | eng-000 | preliminary combustion |
| English | eng-000 | primary combustion |
| русский | rus-000 | предкамерное сгорание |
| русский | rus-000 | предсгорание |
| русский | rus-000 | форкамерный |