单词：contact wire
contact wire的用法和样例：
例句
- The line of contact is longer and the contact ratio is bigger, the meshing stationarity is good.渐开线弧齿圆柱齿轮具有较长的齿面接触线和较大的啮合重合度，齿轮副啮合平稳性好。
- The creeping flow model is singular and therefore unrealistic in the corner of each of the two fluid phases at a moving line of contact.悄悄流模型的奇异的，因此是不现实的角落里的每一个阶段的两个流体在移动接触线。
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