Analysis on feed leakage from gas outlet tubes of alumina feed boxes and its countermeasures;
氧化铝料箱排气管漏料分析及对策
The forms and requirements of the foldable plastic cases are introduced.
介绍了可折叠式塑料箱体制品的形式及要求,探讨了可折叠式塑料箱体结构及其注射模结构的优化设计,以达到简化其注射成型模具结构的目标,对这类新型包装容器的开发和应用有指导意义。
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