“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	recurrent series recurrent set recurrent solution recurrent state recurrent theorem recurrent time recurrent trajectory recurrent transformation recurrer recurring recurring chain fraction recurring continued fraction recurring decimal recurring digital invariant recurring period recurring principle recurring problem recurring sequence recurring series recursion recursion equation recursion formula recursion method recursion model theory recursion monotone stable quadrature

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