In some cases the small end of the rod is clamped to the pin or has a bushing in it to allow the pin and rod oscillation.
在一些情况下，连杆小端夹定在活塞销上或在连杆里有一套管，这样可以使得活塞销与连杆能够共同摆动。
2
The connecting rod 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
In trunk-piston engines, a horizontal pin within the piston is encircled by the upper end of the connecting rod. This by far the most common construction.