lead solder的用法和樣例：
例句
- Some key problems in developing lead-free solder were analyzed and some suggestions of solving the problems were put forward.
分析了無鉛釺料研究必須解決的幾個關鍵問題，並提出了解決這些問題的思路和建議。 - And techniques to make lead-free solder bumping with electroplating are illustrated.
重點闡述了採用電鍍製作無鉛焊料凸點的方法。 - The test results show that the modifying solder has good solderability,whereas,the excellent flux is rosin-ethanol or rosin-isopropanol solution.
在熔融狀態下無鉛焊料合金的行為是影響電子產品微連接釺焊性的關鍵因素。
