piston

英 [ˈpɪstən]

美 [ˈpɪstən]

n.  活塞

复数：pistons　过去式：pistoned　现在分词：pistoning　

CET6考研IELTSTEM8医学

Collins.1 / BNC.15187 / COCA.13303

牛津词典

noun

• 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

柯林斯词典

• 活塞
  Apistonis a cylinder or metal disc that is part of an engine. Pistons slide up and down inside tubes and cause various parts of the engine to move.

英英释义

noun

• mechanical device that has a plunging or thrusting motion
  Synonym:plunger

双语例句

• Rings provide the needed seal between the piston and the cylinder walls.
  环为活塞和气缸壁之间提供了必要的密封。
• They come with a fixed piston and no longer use a diaphragm as with the previous shocks.
  他们来与一个固定的活塞和不再使用膜片与过往的冲击。
• If this measurement is exceeded, the piston must be replaced.
  如果超出了该测量值，就必须更换活塞。
• A piston links to a drive shaft by means of a connecting rod.
  活塞通过连杆与驱动轴相连。
• Split metal ring that seals the gap between a piston and the cylinder wall.
  密封活塞和汽缸壁间隙的有裂缝的金属环。
• Problems of raise the piston grouting pump, feasible of discusses the piston grouting pump technology transformation scheme.
  提出了活塞式灌浆泵存在的问题，论述了活塞式灌浆泵技术改造方案的可行性。
• This paper may provide some insights for analysis of the lubrication performances of piston ring.
  本文为今后活塞环-气缸套的设计和润滑磨损特性分析提供了有益的参考。
• And the piston compared to single-screw pump has a better ability to self-priming.
  和柱塞泵相比，单螺杆泵具有更好的自吸能力。
• The piston is essentially a cylindrical plug that moves up and down in the engine cylinder.
  实质上活塞是一个在气缸中上下移动的圆筒状的塞子。
• Pin joining a piston to a connecting rod.
  连结活塞和机器连杆的销。