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

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。

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An automatic production line is excellent for the automotive industry where thousands of identical parts are produced.

自动生产线最适用于汽车工业，因为那里要生产成千上万个同样的零件。

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An automatic production line is excellent for the automotive industry, where thousands of identical parts are produced.

自动生产线最适用汽车工业，因为那里要生产成千上万个同样的零件。

youdao

This trend works against U.S. toolmakers, whose expensive machinery is best suited to produce heavy-duty dies capable of stamping out millions of identical parts.

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Part of the advantage of 3D printing is the ability to make a variety of individually customised parts at a similar cost to making multiple, identical replicas.

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"The carbon fibre reinforced plastic parts are at least 30% lighter than aluminium and 50% lighter than steel for identical component use, so the vehicle weighs 300kg less than an ordinary vehicle, " Mr Bauman explains.

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