... 四腔化油器 four-barrel carburetor 四通宽行打印机 Stone printer 四柱万能液压机 four column universal hydraulic press ...
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But no matter how much energy you put into building a sandcastle, it's unlikely to be as impressive as the structures produced by Stone Spray, a solar-powered, robotic 3D printer that can create entire buildings out of sand.
ENGADGET: Inhabitat's Week in Green: Eindhoven's Evoluon Center, folding compact cars and the best of 3D printing
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