piston

美 [ˈpɪstən]
英 ['pɪstən]
  • n.活塞
  • 网络活塞式;柱塞;活塞阀键
复数:pistons  
Piston
n.
1.
活塞a part of an engine that consists of a short cylinder that fits inside a tube and moves up and down or backwards and forwards to make other parts of the engine move

例句

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