“lead-free soldering”的概念、定义、翻译、参考文献-科学参考

单词	lead-free soldering
释义	lead-free soldering Encyclopedia 工学钎焊释 lead-free soldering无铅钎焊所采用的钎料、电子元器件以及印刷电路等均不含铅的钎焊。又称无铅软钎焊。
随便看	complex subvariety complex supergeometry complex surface complex surface treatment of magnesium alloys complex symbol complex system complex system modeling and simulation complex system reliability complex systems engineering complex system simulation complex system theory complex tone complex torus complex torus group complex trait complex transformation complex translation complex unit complex unitary group complex-valued complex-valued function complex-valued set function complex variable complex-variable method complex variable method in theory of elasticity

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