The purge screw should be in the open position and shielded from direct heat when soldering.
排气螺丝应该位于开启位置，并且在焊接时要有遮盖以免被火源烧到。
Open circuit failure of chip resistors in wave soldering are analyzed and the remedy measures are presented. no refs.
分析了厚膜片状电阻器波峰焊时开路失效的原因，并提出了相应的解决方法。
Add a soldering iron, wires, and your open PSP, the chance that something could go wrong is very high.
增加焊铁，电线，和你的开着PS P机会某事可以出毛病非常高。
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