(七)区域传感器(BW型) 型 号 BW20-08,08P BW20-12,12P BW20-16,16P BW20-20,20P BW20-24,24P BW20-28,28P BW20-32,32P BW20-36,36P BW20-40,40P BW20-44,44P BW20-48,48P BW40-04,04P BW40-06,06P BW40-0