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最近波兰制造了一辆车墙和车顶均以聚脂玻璃塑料做成的21吨两轴货车。车体骨架由金属构成。重量比旧型木质车轻400～500公斤。新车的车体密封性较高,绝缘性较好,因而能保持货物的完整性及其对温湿度变化的灵敏性。若在
Recently Poland has built a 21-ton two-axle truck with car-glass plastic roofs and roofs. Body skeleton is made of metal. Weight than the old wooden car light 400 to 500 kg. The new car body sealing better, better insulation, which can maintain the integrity of the goods and their sensitivity to temperature and humidity changes. If at