广告热线13903170360或QQ85166645 ... 超声脉冲测量仪||ultrasonic pulse velocity measurement device 超限货物||oversize or overweight goods 超远作业||over-distance stacking operation ...
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长大货物车 oversize commodity car
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采用轴对称模型和有限元方法，模拟了大秦线长大坡道循环制动条件下货车车轮温度和应力场，结果表明车轮高应力区出现在辐板上，现行制动条件下车轮强度满足使用要求。
The temperature and stress field of wagon wheel under the condition of long ramp way cycle braking in Daqin line have been simulated by using FEM and axial symmetry model.
在山区高速公路长大下坡路段，经常出现载重货车因制动失效，而发生交通事故的现象。
The traffic accidents, made by the heavy-duty lorry and due to breaking failure, happen from time to time on the downhill path of mountainous expressway.
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