(in a piston engine) the end of the connecting rod connected to the piston.
（发动机活塞的）连杆小端，连杆上端
Example sentencesExamples
Strengthened with brass bearings, piston pin bosses and connecting rods, small ends have a trapezoidal shape and thus more bearing surface area to absorb combustion forces, a premium engine feature.
Elimination of weight pod stock from both the large and small end of the connecting rod is a terribly large advantage.
Then like a conventional skewer you spin the small end till she starts to bite, nip the lever down and you've got a solid under carriage, no tools!