The plug has the advantages of simple structure, uniform contract pressure on a socket, high operational reliability and long service life.
该插头结构简单，插头对插座接触压力均匀，其工作可靠性和使用寿命都可以大大提高。
The plug has the advantages of simple structure, uniform contract pressure on a socket, high operational reliability and long service life.
该插头结构简单，插头对插座接触压力均匀，其工作可靠性和使用寿命都可以大大提高。
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