b delay
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是一副比拟典型的塑料模具，它不只包罗有镶拼的型腔、侧向抽芯构造、动定模都有成型的型芯，还有延时抽芯机构。
Is a typical plastic mold, which not only include Xiangpin the cavity, lateral core pulling structure, the dynamic model has forming the core, delay core pulling bodies.
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