The characteristics of boron element and its effect in cast steel are introduced.
介绍了硼元素的特点及其在钢中的作用。
Because of the special characteristics of Z element, the application circuit is very simple.
由于Z元件的特殊特性，其应用电路极其简单。
Because of the special characteristics of Z element, the application circuit is very simple.
由于Z元件的特殊特性，其应用电路极其简单。
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