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国家建委建筑机械研究所与湖南常德建筑机械厂联合研制一种QT-25型塔式起重机,于一九七九年一季度经过试车和应力测试,其技术性能达到设计要求(见表1),已投入小批量生产。 QT-25型塔式起重机(图1)的主要特点:
The National Construction Committee Construction Machinery Research Institute and the Hunan Changde Construction Machinery Plant jointly developed a QT-25 type tower crane, which was tested and tested in the first quarter of 1979. Its technical performance meets the design requirements (see Table 1). Has been put into small batch production. The main features of the QT-25 tower crane (Figure 1):