down extrude
向下挤压
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In that science fiction future, vats of virus-proof mirror cells could pump out biofuel, lay down nano-size organic circuitry, and even extrude organic cement foundations for skyscrapers.
在这种科幻式的未来中，生物燃料、纳米有机电路甚至包括修建摩天大楼的水泥建材都能依靠这些不受病毒侵染的细胞来生产。
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The system needed to melt down and extrude the reminder of the last batch before moving on to the new spools.
ENGADGET: MakerBot Replicator impressions: the dawning of 3D printers in every home?
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