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这是推铜机将细靛推入加热渡中天津第一凤铜厂工人们正在紧张的卿下翎挑准备送去就制成材 热剪机在剪断刻坯的最后︸道工序,这是开坯卓阴开坯机︵初轧机︶吞工作中七10一快建轧钢厂 把钢变成材
This is pushing the copper machine will push the fine indigo ferrous ferrochromium first workers in Tianjin are under tension Qing Ling pick ready to send to the material made of hot cutting machine in the final cutting of the blank} process, which is open Zhuo Zhu Yin Yin open machine (the beginning of the mill) swallow work seven 10 a rapid build rolling mill to steel become a timber