pistons

• Without this shock-absorber action the piston could bounce up and down, causing erratic carburetor action and poor engine performance .
  没有这个减振作用，活塞会上下窜动，引起化油器工作异常，导致发动性能变坏。
• Internal combustion engines - piston rings - scraper rings
  内燃机.活塞环.刮油环
• A piston pin fits into a round hole in the piston
  活塞销装在活塞的环形的孔里。
• Come on ! - we got to get it in front ofthe piston
  快来! -我们要引它到活塞前
• - come on ! - we got to get it in front ofthe piston
  -快来! -我们要引它到活塞前
• Nationalization of man 9l58 64 diesel engine piston crown
  64柴油机活塞顶国产化
• The top part of the piston is the head , or crown
  活塞的顶部是活塞头或者活塞顶。
• Cylinder bore and piston rod diameters - inch series
  汽缸孔和活塞杆直径.英制系列
• Internal combustion engines - piston rings - keystone rings
  内燃机.活塞环.梯形环
• Most pistons have three ring grooves at the top
  大多数活塞的顶部有3个活塞环槽。