• 1. outer ring: 外圈 | 外环 | 外定位环 | 轴承外轮
• 2. aligning outer ring: 调心外圈
• 3. flanged outer ring: 凸缘外圈

更多释义

• 1.Inner ring and outer ring can therefore be mounted separately.
  内圈和外圈可以因此被分开安装。
  dict.yoduao.com
• 2.Scientists think material from the outer ring moves inward and slams into Iapetus.
  科学家们认为光环外侧的物质向内移动并猛烈撞击“土卫八”。
  dict.yoduao.com
• 3.Adjusting the Nest thermostat is easy: you simply rotate the outer ring up or down.
  调整Nest恒温器的温度非常容易：只需将恒温器的外圈向上或向下旋转即可。
  dict.yoduao.com

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