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When we plug socket ,always find that it's hard to aim at the socket hole,and it's not easy to plug in,the reason is sometimes there is a blind area,and the socket hole is too small to insert. Sliding socket can solve this problem easily, you just need to plug in the socket along the slideway to the end, the sliding socket conductive in film on the two on the elastic card slot, can rise to fixed, waterproof, dust-proof effect.
Dalian Minzu University