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1972年4月济宁机器厂广大革命职工,在一机部、山东省及济宁地区机械局的领导下,与天津工程机械研究所共同研究、设计、试制出我国第一台铲运推土机。铲运推土机是一种新型的履带自行式土方机械。它可一机两用,以铲运为主,特别适用在狭窄地段作业,效率较高;能在水深1米处作业,具有较好的机动性和通过性。
In April 1972, the majority of revolutionary workers at Jining Machinery Factory, under the leadership of the Machinery Department of the Ministry of Machinery, Shandong Province, and Jining, jointly studied, designed and prototyped the first shovel bulldozer in China with the Tianjin Institute of Construction Machinery. The shovel bulldozer is a new type of crawler self-propelled earth-moving machinery. It can be used as a dual-purpose machine and is mainly used for scraping and transportation. It is particularly suitable for working in narrow sections with high efficiency. It can operate at a depth of 1 meter, and has good mobility and passability.