短语词组短语SEAL -LIP 带唇边密封件Seal -lip type 唇边油嘴rotating shaft seal with lip 带尘罩的轴密封seal ring retaining lip 密封环保持唇口oil seal lip 油封件的唇部;油封唇口Seal lip type 唇边油封o -ring seal lip O型密封圈唇部lip seal 密封圈Rotary Shaft Lip Seal 旋转轴承唇形密封圈 返回 seal lip