ring n.戒指；环；圈；拳击场；马戏场；帮派n.铃声；钟声；电话；口气v.包围；环绕；形成圈v.打电话；回响；鸣响；按铃；听上去
双语例句
In this paper the influence of the damped ring on the gear transmissions vibration and noise was studied by analyzing the mechanics characteristic of the damped material. 摘要通过对阻尼材料的力学特性的分析，探讨了阻尼环对齿轮传动振动噪声的影响。
