在分析复合织物组分形态的基础上，研究了针刺深度和针刺密度对复合织物性能的影响。
Based on morphology analysis of composite fabric, the effects of needle punching depth and density on properties of composite fabric were investigated.
介绍了针刺法非织造有针刺密度的计算公式及其变换，以及计算尺的使用，以利于生产者方便应用。
The calculation and converting of the formula for punching density of needle punching nonwovens and the usage of the slide rule are introduced, to be favourable for producers to use.
我们首先要探讨的是针刺所产生的电流及其密度和强度的问题。
We will first explore the acupuncture is generated by the current and density and intensity of the problem.
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