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保温车的发展必须服从冷藏运输的需要和提高质量的要求。党中央贯彻“农轻重”的方针和落实农村经济政策以来,农副产品有了显著的增长。此外,外贸事业的发展和香港市场对农副产品的要求也不断增加,使易腐货物运量与运能的矛盾,日趋尖锐。根据铁道部科学研究院运输研究所的调查,1978年易腐货物运量为760万吨左右,按保温车每辆平均装载25吨、易腐货物用保温车运
Insulation car development must obey the needs of refrigerated transport and improve the quality requirements. Since the Party Central Committee implemented the policy of “reducing agricultural weight by weight” and implemented rural economic policies, the agricultural and sideline products have seen remarkable growth. In addition, the development of foreign trade and the market demand for agricultural and sideline products in Hong Kong have also been on the rise. As a result, the contradictions between the transport of perishable goods and transport capacity have become increasingly acute. According to a survey conducted by the Transportation Research Institute of the Ministry of Railways, the perishable cargo traffic in 1978 was 7.6 million tons, with an average loading capacity of 25 tons per vehicle and perishable goods