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插座太(tai)松,插头总是掉怎么办?原来用(yong)一张纸就能紧固,永(yong)远不(bu)会松插座太松(song),插头(tou)总是掉怎么办?原来(EY)用(yong)一张纸就能紧(jin)固,永(yong)远不会松(song)