持续几十年的挑战之一是难于找到多型腔模具来生产一模一样的部件。

One that has persisted for years is the difficulty of getting multicavity tools to produce identical parts.

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持续几十年的挑战之一是难于找到多型腔模具来生产一模一样的部件。

One that has persisted for years (decades, actually) is the difficulty of getting multicavity tools to produce identical parts.

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该方法不仅适用于锻模，也适用于塑料模和压铸模等其它型腔模打模电极齿形设计。

This basic method are suitable not only for forging die, but also for design of tooth form of electrode machining of other molding die, such as plastic die, die for die casting mold etc.

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