This method has simple circuIt'structure, stability, reliability and strongly anti - interfere ability etc.

此方法有电路结构简单 、 稳定可靠、 抗干扰能力强 等特点.

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The results show that Nb can increase the structure stability of chilled cast iron.

结果表明,铌可以有效地提高冷硬铸铁高温组织的稳定性.

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