Gas-assisted injection molding process is adopted to mould the duplicator cover plate to ensure the surface quality of the large product. Gas eject pins ar...

为保证复印机盖板的表面质量及平整度要求，采用了气体辅助注射成型技术来成型，相应地在模具上加设了气针并开设了相应的气道。

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Dr Piekarski first became interested in AR when he was looking for a subject to cover in depth during the final year of his engineering degree.

CNN: Turning virtual visions into reality