Apparently these plastic spools flip open and shut to dispense and protect the solder wick ; just take out the wick and wrap your earbuds around the spool instead .
显然地,这些塑料线轴采用弹性开关来保护焊锡丝,把焊锡丝取出来,然后将你的耳机线缠进去。
Lead-tin solder has played an important role in microelectronic packaging for the past few decades .
锡铅焊料在过去的数十年间於电子封装产业扮演重要的角色。
If the metal that was under the gold is not oxidized , the gold-contaminated solder will bond to it .
如果镀金层覆盖的金属没有氧化,则带有金成分的焊料将会粘连在该金属上。
If this happens the fe concentration will increase rapidly and fe-crystals can be seen on the surface of the solder pot .
如果发生这种情况,铁浓度将快速上升,并且会在焊料槽表面上看到铁结晶。
The board with the details moves to the furnace on the conveyor where the paste melts and turns into solder alloy reliably connecting ends of the details with strips on the board .