However, the original feed control system of the extruder is obvious aging, out-of date and time-consuming in feeding.
原挤压机进料控制系统已明显老化、落后，进料耗时长、进料精度和可靠性得不到保证。
The design and transformation of rotating feed tube and charger of original feed system of FeSi furnace with low hood are conducted to meet the need of the production.
为了使矮烟罩硅铁电炉的加料系统能满足生产需要，对原加料系统中的旋转料管和加料机以及加料管的密封进行了设计改造。
The design and transformation of rotating feed tube and charger of original feed system of FeSi furnace with low hood are conducted to meet the need of the production.
为了使矮烟罩硅铁电炉的加料系统能满足生产需要，对原加料系统中的旋转料管和加料机以及加料管的密封进行了设计改造。
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