roof cross beam
... 车顶端横梁 roof end rail 车顶横梁 roof cross beam 装货口；吊装口 hatch ...
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补助车顶横梁 sub-carline
车顶端横梁 roof end rail
绞车顶部横梁 head board
·2,447,543篇论文数据，部分数据来源于NoteExpress
最后，利用dynaform软件对汽车横梁和车顶内部支撑进行了数值模拟，并在实际生产中对车顶内支撑的回弹做了验证。
At last, the article made use of DYNAFORM software to simulate the horizontal beam and the roof bow, and in the actual production carried on a verification to the spring-back of the roof bow.
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