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根据工程的需要,并参考兄弟单位的经验,我们鞍钢修建部于一九七二年制成了登高机。自制的登高机已成功地用于40吨塔式起重机的安装、拆除工作中。两年来的实践证明,登高机是用于安装大型塔式起重机的
According to the needs of the project and with reference to the experience of the fraternal unit, the Anshan Iron and Steel Construction Department made the boarding machine in 1972. Self-made climbers have been successfully used in the installation and demolition of 40-ton tower cranes. Two years of practice has proved that the board is used to install a large tower crane