Frame: the frame is made into a space frame structure, including the welded longitudinal beam and the whole pulling-through crossbeam, of which are made of 16mn vehicle steel.
车架：车架采用16 Mn车用钢板制成的焊接式纵梁和整体贯穿式横梁组焊而成的空间框架结构。
Two reinforcement structures are arranged on longitudinal beams, and the two reinforcement structures are respectively connected with each door frame to form a loop structure;
所述的加强结构有两个，分别与车辆的门的框相连接，形成一个回路结构；
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