The core of the EGR cooler can be made by vacuum brazing.

EGR冷却器的芯子可以通过真空钎焊获得。

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Cathode is one of the core components of vacuum microelectronic devices.

阴极是真空微电子器件的核心部件之一。

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A open cell polyurethane rigid foam for vacuum panel core material was prepared. The open cell percent of the core material is about 95%.

制备了用于聚氨酯真空隔热板的开孔硬泡芯材，该泡沫芯材的开孔率达95%。

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Press the green button with the little flag and you'll be propelled into a world of expensive sophisticated dual core processors, pricey aluminum enclosures with vacuum fluorescent displays, redundant functionality and slowly evolving integration with digital cable and satellite.

ENGADGET: Switched On: Enter the lay tricks