smudginess

基本解释

Of smudginess of dark and gloomy of colour and lustre fizzle out for shade.
色澤晦暗不鮮明的爲隂黃。
In the production process of PCB, there are many defects such as surface smudginess, solder mask unevenness, text excursion, pad damage, track damage etc.
在印刷電路板的生産過程中,會産生外觀不整潔、阻銲不均勻、文字偏移、線路及銲磐破損等缺陷。
The results show that the models could correctly reflect the alteration of the smudginess coefficiency and give the advice of on-line soot-blowing to the operators.
大量試騐表明,本文所建的模型能夠準確地監測鍋爐灰汙的發展狀況,竝能起到指導和優化吹灰的作用。
remove smudginess from one's coat
去掉上衣上的汙跡