Plastic capsulation power bipolar transistor exists many reliability problems due to the structure and package style.
由于其自身的结构与封装形式，塑封双极型功率管存在很多可靠性问题。
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How to support capsulation of the organization's information and application software and model the business process paradigm is a essential problem of BPR.
All the results indicate that interfacial polymerization between isocyanate and amine to form polyurea wall material is a quick, effective way for capsulation of wax.