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工程机械是机械工业的重要组成部分,也是衡量一个国家工程建设、国防现代化装备水平的重要标志之一,因此,在国民经济建设中占有十分重要的地位。世界上工业较先进的国家非常重视发展工程机械,其中美国1967～1976年间,平均年增长率为12％;日本1955～1980年间,平均年增长率为29.1％;英国在第二次世界大战后,平均年增长率为9％;联邦德国为11.9％;法国为
Construction machinery is an important part of the machinery industry, and it is also one of the important symbols of measuring the level of national engineering construction and national defense modernization equipment. Therefore, it occupies a very important position in the national economic construction. The world’s more advanced industrial countries attach great importance to the development of construction machinery, of which the average annual growth rate in the United States from 1967 to 1976 was 12%; the average annual growth rate in Japan from 1955 to 1980 was 29.1%; after the Second World War in the United Kingdom , the average annual growth rate is 9%; the Federal Republic of Germany is 11.9%; France is