二线无源led现场显示单元是指在不外接直流电源的前提下，实现二线制变送器检测到的工业参数LED现场显示。
On the basis of no outer direct flow power source, tow-wire passive LED local displaying unit realizes LED local displaying of industry parameter which tow-wire transmitter inspects.
生产线的运动和时间由PLC程序化控制，设置有良好的人机界面，工艺参数可通过触摸屏进行设置和显示。
The production is controlled by PLC and equipped with human-computer interface, all the technical parameters can be set on the touch screen.
实验结果显示，缝纫线张力、针迹密度是对缝口缩皱影响较大的缝纫参数。
Sewing thread tension and stitch density are selected by the result of orthogonal experiments as two variable parameters to study the effect of sewing parameter on seam pucker.
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