该系统通过显微镜对喷丝孔进行放大成像并采集保存。
In this system, the image of the holes on the spinneret were zoomed in and stored for post-processing.
一般打孔机都不能变角度，加工此穿丝孔需做一个专用工装。
Generally the punching machine can become Angle, processing the wear silk hole should do a special tooling.
研究了同一喷丝板上不同喷丝孔直径对涤纶POY单丝直径与双折射率的影响。
The effect of spinneret hole diameter on the filament diameter and birefringence of PET POY was studied by using the same spinneret.
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