词汇	spare tube
释义	spare tube 备用电子管
随便看	attraction sites Attractions of ancient local chronicles attract irresistibly attractive attractive and charming attractive and durable attractive and lovely attractive appearance Attractive Area attractive aroma Attractive as a subject for photography attractive bose-einsteincondensates attractive box attractive boy attractive carpet attractive center attractive character attractive circle attractive coat attractive design attractive designs attractive dish attractive distance attractive education attractive effect