The piston may be connected to the upper end of the connectingrod either directly (trunk piston type), or indirectly (crosshead type).
活塞与连杆上端的连接，既可以是直接连接(筒状活塞式)，也可以是间接连接(十字头式)。
2
The connectingrod is attached at one end to a crankpin on the crankshaft and at the other end to a piston, through a piston pin or wrist pin.
连杆的一端与曲轴的连杆轴颈相连，另一端通过活塞销与活塞相连。
3
The reliability of main bearing and connectingrod large end bearing for 12V240ZJ diesel engine whose power has been increased up to the E type grade was analyzed.