huó​sāi

piston

Senses

活塞 huó​sāi piston

a metal or wooden plug, usually cylindrical, that moves back and forth within a cylinder or pump to convert pressure into mechanical energy

References

classifier 活塞/活塞 个/個
same_as 活塞/活塞 鞲鞴/鞲鞴
see 鞲鞴/鞲鞴 活塞/活塞