The method is used in analyzing 75-ton open wagon body and its joints.
此种方法是应用于对75吨敞车车体及其节点区的分析。
The results show that the key position which mainly affects the strength and the rigidity of the wagon body is in the middle position of the upper-side beam instead of the low frame.
结果发现，对整车强度和刚度有重大影响的关键部位并不在车辆底架，而在上侧梁中段。
But they quickly came to appreciate the warmth, dryness and safety provided by a metal top, and the convertible was relegated to a specialty body style like the station wagon.
人们很快就认识到金属车顶所带来的温暖、干燥和安全，敞篷车因此被归入旅行车一类的特别车型。
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