The entire facade is composed out of only one type of element, that is produced in large quantities and high quality in an industrial thermoforming process.
整个立面只由这一种元素组成，并通过热塑成型从而生产出大量高品质元素。
The vacuum snap-back thermoforming techniques of ABS resin, and the vacuum snap-back thermoforming technology, materials, equipments, molds and process charts are described in detail.
介绍了ABS树脂的真空吸塑成型技术，详细阐述了真空吸塑工艺，并探讨了原料、设备、模具对工艺的影响及成型工艺条件的控制。
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