Ruian dongjia machinery factory is a special enterprise manufacturing packing box slotting machine up and bottom cover assembly line.
瑞安东佳机械厂，是一家专业生产包装盒开槽机、地盖制盒流水线的厂家。
Describe the problem of the traditional packing box in field application, and the structure and virtue of auxiliary stripping assembly of stem packing to the question.
阐述了常规阀门填料函在现场应用中存在的问题，以及针对此问题改进设计的填料辅助拆卸装置的结构、特点。
Ruian Dongjia Machinery Factory is a special enterprise manufacturing packing Box Slotting Machine, Up and Bottom Cover Assembly Line.
瑞安东佳机械厂，是一家专业生产包装盒开槽机、地盖制盒流水线的厂家。
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