排气连杆头 exhaust stub

拖车连杆头 Trailer big end

连杆大头 connnecting rod big end ; Big end ; crank pin end ; Connecting rod end

连杆球接头 Linkage ball joint

十字头连杆 cross head link

连杆大头轴瓦 big end bearing shell

连杆大头轴承 connecting rod bottom-end bearing ; connecting rod big end bearing ; [机] big end bearing

连杆小头 piston pin end ; [动力] connecting rod small end ; connecting rod

曲柄连杆大头的孔 crank bore