Cast Iron Processing 铸铁加工
tailings of iron processing 选铁尾矿
processing of iron ores 铁矿石选矿
cupola processing cast iron 铸铁冲天炉熔炼
Iron Ore Processing 铁矿选矿处理量
Iron Bed Processing Workshop 铁床加工场
iron and steel processing 钢铁生产
iron & steel materials'heating processing 钢铁热处理
The graphite annealing, can get malleable iron, processing is convenient.
经石墨化退火后，即可得到可锻铸铁，加工方便。
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