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<p>附件：<strong>塑胶产品成型周期公式及计算.xls</strong>（678 KB）\n\n[塑胶产品成型周期公式及计算.xls]\n\n来自注塑知识资料合集。</p> <hr> <p>大家有更好的方案吗？欢迎补充指正！</p>