pistons

例句:

• The pistons are graphite-coated to reduce friction.
  活塞上涂了一层石墨以减小摩擦力。
  
• Some pistons have seating rings of metal or leather.
  有些活塞上有金属或皮革的密封环.
  
• A pump uses valves and pistons.
  泵使用阀和活塞.
  
• It spoke of pistons and power; it hinted of grandeur and Roman emperors.
  来自THETIMES
• The Pistons under Mr. Vitale lost more than they won, and in the middle of his second season he was fired.
  来自WSJ
• The next year Mr. Vitale was hired as the head coach of the Detroit Pistons.
  来自WSJ