***成本不到400元的3+2+3双挂高容量运输车底盘***
想着弄个双挂会比单挂在小区更加拉风所以就想整一个。双挂需要两节3轴货箱加一个中转拖，直接买成品的费用要4500+，完全超预算。所以想用更低的成本来达到目的。
首先在网上买材料制作无动力车桥，买玩具车轮胎10元一个，8轴车桥加轮胎的总费用是288元。车架是轻木板激光切割的，悬挂是用弹簧替代气囊的气囊悬挂结构。虽然说轻木没有金属的牢固，但是便宜啊，直接拉低了预算不说，还能解决打孔加工的问题，激光切割下来加运费才110，总共花费110+288=398元就实现了3轴拖+中转拖+3轴拖。
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经济师户型https://app.rcfans.com/public/emotion/face_jiayou.png货柜 有想法
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