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无铅钎焊
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无铅钎焊
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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。
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electron capture detector
electron capture detector (ECD)
electron capture dissociation
electron capture dissociation (ECD)
electron capture (EC)
electron carrier
electron charge
electron cloud
electron compound
electron concentration
electron conductance
electron conduction
electron conductivity
electron conductor
electron configuration
electron continuum
electron cooling
electron correlation
electron correlation and correlation energy
electron correlation calculations
electron correlation energy
electron correlation methods
electron counter
electron-coupled oscillator
electron cryo-microscopy
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