气缸缸套O型密封圈
cylinder liner o-ring seal
平衡活塞密封圈
equalizing piston packing ring
排气门O型密封圈
exhaust valve o-ring seal
耐热密封圈
heat resistant joint rings
密封圈
Airproof ring
O-ring
caulking ring
seal completely the turn
ball seat
sealed ring
sealing washer
Seal-ring
seal packing collar
sealing rings
seals
Ring-seal
sealing ring
Washer
cardiopulmonary reserve capacity
seal parts
seal circle
seal ring
gasket
seal
obturating ring
O-ring Seal
rim seal