en piston (n, artifact)
― PartOf ⟶
Weight: 2.0
en reciprocating engine (n, artifact) Source: Open Multilingual WordNet
en piston rod (n, artifact)
― PartOf ⟶
Weight: 2.0
en piston (n, artifact) Source: Open Multilingual WordNet
en piston ring (n, artifact)
― PartOf ⟶
Weight: 2.0
en piston (n, artifact) Source: Open Multilingual WordNet