The guidance roller supports the dummy bar when the casting process is just started. It also supports the soild state billet with liquid core and guides the billet direction in the casting process.
导向辊 的作用是对带液心的铸坯起支撑作用和导向作用，同时也是在开浇时对引锭杆进行支撑和导向。
The guidance roller supports the dummy bar when the casting process is just started. It also supports the soild state billet with liquid core and guides the billet direction in the casting process.
导向辊 的作用是对带液心的铸坯起支撑作用和导向作用，同时也是在开浇时对引锭杆进行支撑和导向。
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