翻译：连杆包括连杆小头和连杆大头，连杆轴，连杆盖和螺栓。 A.
The connecting rod connects the piston to the crankshaft. B.
The connecting rod can rotate at both ends so that its angle can change as the piston moves and the crankshaft rotates. C.
The connecting rod consists of the connecting small end and the big end, shank,rod cap and bolts.
The connecting rod connects the piston to the crankshaft. B.
The connecting rod can rotate at both ends so that its angle can change as the piston moves and the crankshaft rotates. C.
The connecting rod consists of the connecting small end and the big end, shank,rod cap and bolts.