3D printers are used to build an object with liquid plastic. They build the object layer by layer until it is complete.

3D 打印机用液体塑料来建造物体，他们一层一层地建造着物体，直到完成。

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Based on object oriented idea, ordered management of static product structure and dynamic design flow for series plastic box packing machine is achieved.

应用面向对象的技术思想，实现对系列化塑盒体包装机的静态产品结构与动态设计流程的有序管理。

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A piece is a metal that is applied to the object by means of a plastic deformation to shape the shape of the required shape or the appropriate compressive force.

件是金属被施加压力，通过塑性变形塑造要求的形状或合适的压缩力的物件。

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In a plastic bag, she carries an object wrapped in a moist towel.

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Printing in 3D involves sending a design file to a printer that then forms a solid version of that object by slowly building it up in layers of plastic.

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They said that by using stereolithography, their printer could offer "layer thicknesses and feature sizes that are worlds ahead of what is possible with" the existing technique used by budget printers, which melt plastic and squeeze it through a nozzle to build up each layer of an object.

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