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。
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.
一种新十字头连接结构，由活塞杆、球面垫圈、十字头、十字 头销和连杆组成。
The utility model relates to a novel crosshead connecting structure which is composed of a cylinder rod, a spherical washer, a crosshead, a cross pin and a connecting rod;
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