用4个螺椿将加固托架固定在车架梁上。
Reinforcement brackets are retained on frame sills with 4 studs.
研究了车架、底盘、车身等对整个承载系统角刚度的贡献，证实了此类非承载式车身对加固车架的重要作用。
Research the contribution of frame, chassis, body etc to Angle rigidity of the whole carrying system, verify the important effect on strengthening frame of non bearing body.
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