双语例句
-
Make the media auto wash the tube, reduce the trend of smudginess;
流体自动冲刷管路，降低结垢倾向；
-
In the production process of PCB, there are many defects such as surface smudginess, solder mask unevenness, text excursion, pad damage, track damage etc.
在印刷电路板的生产过程中，会产生外观不整洁、阻焊不均匀、文字偏移、线路及焊盘破损等缺陷。