我公司现有一批库存现货特价出售,现货型号如下: 德国E+H PH变送器:CM442 PH线缆:CYK10-G101 溶解氧:COS51D-AS800 PH电极:CPS12D-7PA21 PH电极:CPS11D-7BA21 超声波物位计:FMU30/FMU40/FMU42/FMU43