A new type of high contrast filter has been investigated in this paper. lt has features of lower light reflection on surface, selective transmission and effective electromagnetic screen.
本文介绍自行研制的高对比度滤光片。它具有较低的表面光反射率、选择性透过率和电磁屏蔽特性。
It is a thin type of fan filter unit, like a screen. This unit has a distinctive function to prevent the infection being speared and to raise the cleanliness in local area.
该装置是一种宛如屏风的超薄型风机过滤装置，对提高局部环境洁净度或预防传染(污染)源扩散具有独特的效果。
The conveying belt type filter device is convenient and safe and can completely remove the filter residue on the filter screen surface.
本过滤装置可方便、安全、彻底地清除滤网网面上的滤渣。
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。
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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