Contactclosed with product managers and sales staff.
与产品经理以及销售人员紧密联系。
2
The study on crack types and their formation mechanisms of silver based contact materials are carried out according to the various currents and various contactclosed 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。
3
Closing your Amazon account requires you to contact their customer service department to request the account to be closed.