smudginess

基本解釋

Of smudginess of dark and gloomy of colour and lustre fizzle out for shade.
色澤晦暗不鮮明的為陰黃。
In the production process of PCB, there are many defects such as surface smudginess, solder mask unevenness, text excursion, pad damage, track damage etc.
在印刷電路板的生產(chǎn)過程中,會(huì)產(chǎn)生外觀不整潔、阻焊不均勻、文字偏移、線路及焊盤破損等缺陷。
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.
大量試驗(yàn)表明,本文所建的模型能夠準(zhǔn)確地監(jiān)測(cè)鍋爐灰污的發(fā)展?fàn)顩r,并能起到指導(dǎo)和優(yōu)化吹灰的作用。
remove smudginess from one's coat
去掉上衣上的污跡