information about Four-stroke engine field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Chemistry 29.1M papers | Organic chemistry 13.1M papers | Physical chemistry 3.1M papers | Combustion 382k papers |
Combustion chamber 48.7k papers | |||
| Current | |||
Four-stroke engine 5,331 papers | |||
| Child | |||
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