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随着我国高速公路的迅速发展，公路施工机械化水平逐步提高，施工中采用的机械种类和数量也越来越多。由于地区发展的不平衡，因而造成了有的省份和地区工程机械设备性能好、数量多、价值高，有时设备闲置；而有的省份和地区出现工程机械设备数量少、种类不全、设备不够用的现?
With the rapid development of the expressway in our country, the mechanization level of highway construction is gradually increased, and the types and quantities of the machinery used in the construction are also increasing. Due to the imbalance of regional development, some provinces and regions have caused the construction machinery and equipment to have good performance, large quantity and high value, sometimes the equipment is idle. In some provinces and regions, there are a small number of construction machinery and equipment, Now?