“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	sampling design sampling design for metallurgical tests sampling distribution sampling effect sampling efficiency sampling error sampling for metallurgical tests sampling for technological test of ore processing sampling fraction sampling frame sampling frames error sampling frequency sampling function sampling head Sampling homogeneity cases sampling in adit sampling inspection sampling inspection by attributes sampling inspection by variables sampling inspection having desired operating characteristics sampling inspection of bulk materials sampling inspection passed sampling inspection plan sampling inspection with adjustment sampling inspection with screening

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