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梅山炼钢厂从墨西哥进口的二手 ２２０／３５ ｔ起重机，用于炉前兑铁水作业。在改造过程中，根据生产工艺要求，起重机增设称量设备，用于入炉铁水的计量，并提出如下要求：①称量系统精度达１■。②尽量利用原部件，节省投资，缩短施工周期。③采用无线电发送，与地面计算机
Meishan Steel Works imported second-hand 220/35 t cranes from Mexico for operation on the front of the furnace. In the transformation process, according to the requirements of the production process, cranes add weighing equipment for the measurement of molten iron into the furnace, and made the following requirements: ① Weighing system accuracy of 1 ■. ② try to use the original parts, save investment and shorten the construction cycle. ③ using radio transmission, and the ground computer