... 常用材料的本构模型及 UMAT 常用类材料采购 The commonly type of material 常用金属材料 Common Metal Materials ...
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But now the solid focused laser spot is commonly used in this technology, and the type of material feeding is the lateral material feeding or coaxial material feeding outside the laser.
目前此项技术中激光聚焦光斑普遍采用实心光斑，送料方式为单料管光外侧向送料或多料管光外包围同轴送料。
This topic describes daily chemical products commonly used in plastic bottle packaging, plastic bottle type design ideas, the choice of material development process.
本课题阐述了日化产品包装中常用的塑料瓶类设计思路、塑料瓶材质的选择、开发的过程。
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