They possess an important role to adjust the product structure of dyestuffs and to raise the additional value of textiles.
它们对调整染料产品结构和提高纺织品的附加价值具有重要的作用。
Practices show that the die structure is reliable and can ensure the product quality. It has important reference value to the design of the progressive dies for this kind of parts.
实践证明，该模具结构可靠，能保证产品质量，对此类零件的级进模设计有重要参考价值。
Practices show that the die structure is reasonable and reliable, and can ensure the product quality. The design has reference value to the design of the progressive dies for similar parts.
实践证明，模具结构合理、可靠，能保证产品质量，对此类零件的级进模设计有参考价值。
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