She had been a streetcar conductor for several years; what she liked about the job was the uniform and the constant motion, the changing scenery and the wheels rolling under her feet.
她干了几年有轨电车售票员的工作了；她所喜欢这项工作的原因是因为那身制服和频繁的移动，路经过的那些变化的景致和她脚下滚动的车轮。
A coasting performance test is simulated on a chassis dynamometer, the transmission resistance, rolling resistance of wheels and their speed factors are measured.
利用底盘测功机模拟道路滑行试验，测定出汽车的传动系阻力、轮胎滚动阻力及它们的速度影响系数。
A new rolling resistance (coefficient) test system is developed based on wheel torque sensor, which offers a new method for deeply researching the rolling resistance of the wheels on the rollers.
开发了基于车轮力传感器的底盘测功机上轮胎滚动阻力(系数)的测试系统，为深入研究轮胎在滚筒上的滚动阻力提供了新方法。
When parking on a hill, turn your wheels in the appropriate direction to keep your vehicle from rolling.
如果在斜坡停车，将方向盘转向适当的方向以防止车辆滚动。
Said trolley (7) has a trolley body (6) and rolling wheels set within its lower part.
台车(7)具有台车本体(6)和设置于下部的滚动轮。
Said trolley (1) has a trolley body (2) and rolling wheels set within its lower part.
台车（1）具有台车本体（2）和设置于下部的滚动轮。
The wheels of history were rolling on, but we came to a halt and fell behind others.
历史在前进，我们却停滞不前，就落后了。
The external circular surface of the circular type base plate is fixedly provided with at least two rolling wheels by a frame anchor ear.
圆型基板外圆周面上通过一框架抱箍固定设置至少二滚轮。
The utility model provides a U-shaped full sealing anticorrosion pump, comprising a pump body, bearings, rolling wheels, a wheel carrier and a union joint.
本实用新型提供了一种U形全密封耐蚀泵，它包括泵体、轴承、滚轮、轮架、联轴接。
The utility model discloses a slide rail device for drawers, comprising fixed slide bars, movable slide bars, and rolling wheels which are arranged on the slide bars.
一种用于抽屉的滑轨装置，是由固定滑条、移动滑条和由装在其滑条上的滚轮组成。
The utility model discloses a slide rail device for drawers, comprising fixed slide bars, movable slide bars, and rolling wheels which are arranged on the slide bars.
一种用于抽屉的滑轨装置，是由固定滑条、移动滑条和由装在其滑条上的滚轮组成。
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