The study on crack types and their formation mechanisms of silver based contact materials are carried out according to the various currents and various contact closed forces.
根据不同电流等级及不同触头闭合压力，对银基触头材料裂纹类型及形成机理进行了分析研究。
Contact closed with product managers and sales staff.
与产品经理以及销售人员紧密联系。
Contact closed with product managers and sales staff.
与产品经理以及销售人员紧密联系。
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