有计划地对车辆进行更新改造,是公路运输企业维持正常生产和增强自我发展能力必要的物质基础。我省国营大中型公路运输企业在国家改变固定资产投资办法后,一直靠银行贷款进行车辆更新改造的。十年来,由于种种原因,使国营公路运输企业在车辆更新改造问题上,陷入了进退两难的困境 The planned renovation of the vehicles is the necessary material basis for the road transport enterprises to maintain their normal production and enhance their ability to develop themselves. Large and medium-sized state-owned road transport enterprises in our province have been relying on bank loans for vehicle renewal and transformation after the country changed the measures for investment in fixed assets. For various reasons, state-owned road transport enterprises have been caught in the dilemma of upgrading and renovating vehicles for decades