In crosshead-type engines, the piston fastens to a vertical piston rod whose lower end is attached to a sliding member called a crosshead, which slides up an down in guides.

• 在十字头型发动机中，活塞连接在一根垂直的活塞杆上，活塞杆的下端又连接在一个叫做十字头的滑动构件上，十字头在导轨中上下滑动。