| 单词 | 轮缘 |
| 释义 | 〔sprocket〕Any of various toothlike projections arranged on a wheel rim to engage the links of a chain.链齿：在轮缘上的牙状凸出物，用以链条得以连续运动〔felly〕The rim or a section of the rim of a wheel supported by spokes.轮辋：由辐条支撑着的轮子的轮缘或轮缘的一部分〔rim〕The circular outer part of a wheel, furthest from the axle.轮缘：离中轴最远的轮状物的圆形外圈部分 |
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