The questions of testing outer covering injection mold are stated, analysis on the reason and the mold structure is improved.
叙述了外壳注射模在试模中出现的问题，分析了问题产生的原因并改进了模具结构。
The questions of testing outer covering injection mold are stated, analysis on the reason and the mold structure is improved.
叙述了外壳注射模在试模中出现的问题，分析了问题产生的原因并改进了模具结构。
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