技术的进步对土方工程的施工机械化程度产生了重大影响。从1970年到1982年,单斗挖掘机、多斗挖掘机、铲运机、推上机、自动平地机、悬挂挖土设备的拖拉机等机械的总数增加了41.3%;铲土机械和铲土运输机械的单位生产能力均有提高:单斗挖掘机的斗容量增加了17%,铲运机的斗容量增加了5%;多 Technological advances have had a significant impact on the mechanization of earthworks. From 1970 to 1982, the total number of single-bucket excavators, multi-bucket excavators, scrapers, pushers, grader, tractors with earth-moving equipment increased by 41.3%; shovels and shovels Transport unit production capacity has improved: single-bucket excavator bucket capacity increased by 17%, scraper bucket capacity increased by 5%; and more