cowboycn wrote: “碰穿”和“批锋”,哪位兄弟知道都可以讲讲啊::y::y::y 还有LINDA MM:I
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IceFai wrote: 碰穿就是孔位有上下模对碰形成的方法。批锋就是内模结合地方发生的塑胶渗漏形成的毛刺
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