In this paper, the methods of dynamic characteristic and random vibration response analysis for the structure of tractor-trailer system are presented.

本文给出拖拉机-拖车系统结构动力特性与随机振动响应分析的实用计算方法。

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The trailer has the advantages of simple structure, convenient and flexible transportation, safety, reliability and the like.

该拖车具有结构简单、运输方便灵活且安全可靠等优点。

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The dynamic loads of engine in tractor-trailer unit are classified into four kinds with frequency structure.

拖拉机挂车机组工作时的动态载荷按其频率结构可分成四类。

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The collapse was the result of a collision between the tractor-trailer and the overhead structure of the bridge, Washington State Patrol Chief John Batiste told reporters.

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