structured needle-punching machines 花式针刺机
needle punching 针刺法
needle punching felt 针刺毛毯
needle-punching equipment 针刺设备
Needle-punching precursor 叠层针刺预制体
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。
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。
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。
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