搜索：BTH
找到约 2 项符合「BTH」的查询结果
结果 2
https://www.eeworm.com/dl/922220.html
技术资料
Sn-Ag-Cu-Sb免清洗焊膏的试制与检验
试制了Sn-2.5Ag-0.7Cu-0.5Sb免清洗焊膏，结果表明免清洗焊膏的印刷性能良好，触变性好，不会塌陷，有良好的焊接性。用免清洗焊膏焊接的软线路板FPCB清洁度高，且分别通过了BTH、H
https://www.eeworm.com/dl/633/247529.html
Java编程
We have a group of N items (represented by integers from 1 to N), and we know that there is some tot
We have a group of N items (represented by integers from 1 to N), and we know that there is some total order defined for these items. You may assume that no two elements will be equal (for all a, b: a<b or b<a). However, it is expensive to compare two items. Your task is to make ...