LJ8B4-8-Z/BIY,LJ8B4-8-Z/AIY,LJ8B4-8-Z/CIY,LJ8B4-8-Z/BY,LJ8B4-8-Z/AY,电感式接近开关 LJ8B4-8-Z/BIY,LJ8B4-8-Z/AIY,LJ8B4-8-Z/CIY,LJ8B4-8- 无锡市昌林自动化科技有限公司