A.浓度、温度、压力、流量、电流、电压、电度表读数 B.浓度、压力 C.温度、电压 D.电度表读数、温度
A.8~15g/L B.1~4g/L C.5~7g/L D.16~20g/L
A.100~120g/L B.160~180g/L C.0~100g/L D.120~160g/L