为避免出现浸析问题,诸如波焊设备焊锡槽终饰工艺的修改目前已经完成。
Process modifications such as solder pot finishes for wave soldering equipment to avoid leaching issues are now available.
对印制板表面终饰工艺的概念、面临的挑战及现存的问题进行了阐述,并提出了电子产品的无铅化趋势。
This paper discussed concept, challenges and current problems of final surface finishing process for PCB. Trend of being lead-free for electronic products was proposed.
毫无疑问,影片最令人期待的部分要数贝拉(克里斯汀·斯图尔特饰)和爱德华(罗伯特·帕丁森饰)结为夫妻,爱情终成正果。
Undoubtedly, the most anticipated part of the film is that Bella (Kristen Stewart) and Edward (Robert Pattinson) finally get to seal their love for each other by getting married.
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