Even if there’s a side fillet, meaning that part of the joint forms a meniscus of solder on the side of the chip, manufacturers still require an X-ray to truly be certain. Wettable flanks bypass this issue entirely by offering an area that enables the solder to flow up the pin to ...
a对不起,我的英语水平不好,不明白这句话的意思 Sorry, my English proficiency is not good, does not understand this speech the meaning[translate] a我没有男友 I do not have the boyfriend[translate] aWhat kind of club do you take part in after school?The students in these pictures joined a ...