国内精品国产三级KTV_又大又长又粗又黄又骚的毛片_国产三级国产精品国产国在线_国产拍偷精品网2020_午夜福利影院在线_亚洲自拍一区在线_欧美一级日比大片_岛国三级在线观看_国产精品无码免费一级毛住a_影音先锋中文无码

Application case of liquid silicone in mobile phone waterproofing
2021-11-05       Source:

Application cases of liquid silicone in mobile phone waterproofing:


The innovative application of liquid silica gel in mobile phone waterproof structural parts solves the problem of mobile phone water ingress. The injection method of metal + silica gel, plastic + silica gel, glass + silica gel and other secondary molding will become the new trend of mobile phone waterproofing.