PET needle punching materials have good air permeability with the porosity of more than 90%.
PET针刺材料的透气性较好，孔隙率一般都在90%以上，符合多孔材料的结构特征。
Our factory specializes in the production of electronic circuit board needle punching required Chong.
本厂专业生产电子线路板冲孔所需冲针。
Based on morphology analysis of composite fabric, the effects of needle punching depth and density on properties of composite fabric were investigated.
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。
Felt can be made of natural down fiber blended with other fibers by means of needle punching process, then have a composite of a new thermal insulation material with PTFE film.
将羽绒与其它纤维混合通过针刺工艺加工成絮毡，再与PTFE膜复合成新型保暖材料。
The dependences of the microstructure and other properties of the composites on the distribution manner of fiber such as both 2d fabric and needle punching felt were investigated.
研究了二维织物和针刺毡等纤维排布方式对复合材料显微结构和物理以及力学性能的影响。
Down and other fibers can be processed into felt by way of needle punching, which has warmth retention property and surmounts the shortcoming that the products are too fat to move.
通过针刺的方式，可将羽绒和其他纤维加工成絮毡，既保留了羽绒保暖的特点又克服了制品臃肿的缺点。
The multi-directional braided C/C composite reveals strong anisotropy, and impact toughness of the needle punching C/C composite is superior to that of the whole felt C/C composite.
编织C/C复合材料的抗冲击性能表现出强烈的各向异性，针刺C/C复合材料抗冲击性能优于毡基C/C复合材料。
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.
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。
Needle punching is the first-generation nonwoven fabric production technology. Over the past few years, both the technology and equipment are being constantly improved at home and abroad.
针刺是第一代非织造布技术，近年来，国内外针刺非织造技术与设备水平在不断提升。
The stress field in the composite fabric which made by needle punching during tensile test, and the difficulty of calculating the stress - strain property are analyzed from the fabric structure.
根据针刺复合织物结构，分析其在拉伸过程中的内部应力场，说明拉伸应力应变预测计算的困难。
The sizing function of polyvinyl alcohol (PVA) in the process of needle punching synthetic leather was discussed and its influence on the interrelated process of artificial leather was analyzed.
讨论了聚乙烯醇在针刺合成革工艺中的上浆作用，并分析了其对合成革相关工艺的影响。
You can configurate the code of change needle when you digitize or punching a embroidery design, the machine will change the needle automatic as your design if you select the mode of change needle.
在带山上打出的一个代号，告知机器把针换为不同针，用不同颜色的线头进行纺织。 在打带或者车带的时候，你可形成“换针”的号码。如果你选择了“换针”模式，机器会按照你的图案自动换针。
A new method named orthogonal experiment design that can figure out the supreme design of craft in spray-bonding craft of needle-punching synthetic leather substrates.
分析了喷胶过程中影响合成革基布质量的各种因素，用正交实验设计方法，给出了针刺合成革基布在喷胶工艺中的最优化工艺设计。
A new method named orthogonal experiment design that can figure out the supreme design of craft in spray-bonding craft of needle-punching synthetic leather substrates.
分析了喷胶过程中影响合成革基布质量的各种因素，用正交实验设计方法，给出了针刺合成革基布在喷胶工艺中的最优化工艺设计。
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