感应式传感器,NBB10-30GK50-E2-15M,NBB10-30GK50-E2-M,NBB10-30GK50-E3-M NBB10-30GK50-E2-15M,NBB10-30GK50-E2-M,NBB10-30GK50 无锡市昌林自动化科技有限公司