... normal speed screen 正常（余辉）衰减率荧光屏 nozzle screen 喷嘴滤油网 oblong-hole screen 椭圆孔筛 ...
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The basic structure and working principle of the piezoelectric nozzle is introduced, the design concepts aiming at the nozzle in designing screen manufacturing machine are discussed.
本文介绍了压电式喷头的基本结构和工作原理，讨论了在设计制网机时针对压电式喷头所采用的一些设计方法。
Piezoelectric nozzle is the most popular one used in the direct screen manufacturing equipment.
在直接制网设备中，大量采用的是压电式喷头。
The machine is characterized in that the air inlet of an axial flow type electric blower is provided with a comb type nozzle, a filter screen and the bracket of the filter screen.
该机的特点是在轴流式电吹风的进风口安装一梳子式吸嘴，滤网及其支架。
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