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汉语拼音：tà miàn

1.利用杠杆的原理，脚踏杵杆的一端，使另一端舂麦成面粉。

1. 利用杠杆的原理，脚踏杵杆的一端，使另一端舂麦成面粉。

   明 朱国祯 《涌幢小品·长至警报》：“其实 天敍 等数人，皆庸流下贱，餘四十人则南都菜佣踏麵人也。”

• Vehicles are prone to hunt when the crown radius of the rail profile too closely matches that of the tread of the wheels.

  如果轨顶的廓形曲线与车轮踏面曲线太接近，车辆就会有产生不正常摆动的趋势。

• In the defective-stable region, the system has worse stability and wheel treads have heavy abrasion.

  在欠稳定区，车辆系统的稳定性较差，且容易发生踏面偏磨；

• The principle of the project is that the wheel tread will generate the impact load that induce deformation of rail when the train running.

  它是通过测量列车在运行过程中车轮踏面与钢轨接触时产生的冲击载荷引起的钢轨形变来检测车轮踏面擦伤。

• Therefore, the proposed method is an effective tread region segmentation method.

  因此，该方法是一种有效的踏面区域分割方法。

• The wheel tread is made from off the shelf rubber o rings which can be replaced easily when worn down.

  车轮踏面是用现货供应的橡胶做成，这样磨损后可以替代使用。

• Influence on the dynamic performance of the vehicles is analyzed and compared with Chinese LM tread and German DIN5573 tread.

  分析比较了我国LM磨耗型踏面和德国DIN5573踏面对地铁车辆动力学性能的影响。

• Firstly, the tread candidate edges are detected by edge detection algorithm based on adaptive threshold stationary transform.

  首先采用基于自适应阈值平稳小波边缘检测算法检测踏面候选边缘线。

• Described are the function principles of the spring parking devices in tread braking units produced in our country and in Germany.

  对我国及德国生产的踏面制动单元弹簧停车制动器的作用原理进行了介绍。

• the reasonable wheel tread conicity should match the rail cant, namely, equal to and a little bit bigger than the value of the rail cant;

  合理的踏面锥度应该与轨底坡相匹配，等于或略大于轨底坡。