当前,客、货车的新造、修理每年都要耗用大量木材。为了节约木材,各车辆工厂在1980年左右,就开始采取各项措施,相继实施以钢代木、以木代木、以塑代木等方案。1980年初,木制敞车停止生产,新造敞车全部采用钢结构。之后又相继在客车上使用胶合地板、玻璃钢制品和硬PVC低发泡 At present, new construction and repair of passenger cars and trucks consume large amounts of wood each year. In order to save timber, the various vehicle factories began to take various measures in 1980 and successively implemented the projects of replacing steel with wood, replacing wood with wood, and replacing plastic with wood. In early 1980, the production of wooden gondola ceased and the new gondola was entirely made of steel. After that they used the plywood, glass steel products and hard PVC low foaming one after another