The finishing & semi-finishing of cast iron and nonferrous metals and also for the machining of manganese steel and hardening steel.
用于铸铁和有色金属精加工和半精加工，也用于锰钢和淬火钢的加工。
The finishing & semi-finishing of cast iron and nonferrous metals and also for the machining of manganese steel and hardening steel.
用于铸铁和有色金属精加工和半精加工，也用于锰钢和淬火钢的加工。
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