The accidents caused by improper loading of odds and ends goods arouse much attention in recent years.
近几年出现的几次因笨零货物装载不当引起的铁路运输事故，使得笨零运输安全问题更加引人注意。
The secondary parts such as radial sluice gate and its stand were neglected, the number of elements were decreased and the abnormal stress caused by improper loading were avoided in this method.
有限元模型减去了弧形闸门、闸门支架等非主要部件，使模型规模减小，避免了因荷载不恰当引起的应力异常。
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