This paper introduces in detail the component and technology process of printed circuit board hand tin-leadbonding of auto instrument.
详细介绍了汽车仪表印刷电路板手工锡焊的组成要素及工艺过程。
2
The research explains why social contact has health benefits: many of the hormones involved in bonding and helping behavior lead to reductions in stress and anxiety.
这一研究解释了为什么社交有益健康：许多联络感情和帮助他人的行为所调动的激素有助于减轻压力和焦虑。
3
It can lead to numerous family problems, including excessive family conflict, ineffective problem solving, lack of intimacy, and weak emotional bonding.