| |||
| 火花点火機関 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| |||
| 火花点火式エンジン River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 火花点火機関 Engineering and Science Technical Dictionary (James Friend) | |||
| |||
| 火花点火機関 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| |||
| 火花点火式エンジン River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 火花点火機関 Engineering and Science Technical Dictionary (James Friend) | |||
