LJC22A31-T-Z/BIZ,LJC22A31-T-Z/AIZ,LJC22A31-T-Z/CIZ,LJC22A31-T-Z/BZ,电容式集成电路接近开关 LJC22A31-T-Z/BIZ,LJC22A31-T-Z/AIZ,LJC22A31-T-Z/CIZ 无锡市昌林自动化科技有限公司