The big end of the rod is split so that it can be connected to the crankshaft.
连杆大头一般为剖分式，以便和曲轴相连。
The connecting rod is attached to the crankshaft at one end (big end) and to the piston at the other end (small end).
连杆一端(大头)与曲轴相连，另一端(小头)和活塞配合。
The connecting rod is attached to the crankshaft at one end (big end) and to the piston at the other end (small end).
连杆一端(大头)与曲轴相连，另一端(小头)和活塞配合。
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