H H-Ⅲ chemical oxygen-consumption measurer
the HH-Ⅲ detector for chemical oxygen consumption
bio-chemical oxygen demand
BOD(Bio-chemical Oxygen Demand)
Chemical consolidation material
化学加固材料
开关磁阻发电机(SRG)
开关磁阻发电机
chemical constitution of coal
chemical oxygen demand
化学耗氧量
化学〔的〕氧气要求量
耗氧量
化学需氧量
化学需气量
化学需氧量(COD)
COD
化学好氧量
电色显示
化学耗氧量(COD)
化学需氧量CODcr
chemical oxygen demand COD
化学需氧量
化学需氧量COD
化学耗氧量COD
化学耗氧量
化学含氧量
Chemical oxygen demand COD removal efficiency
chemical oxygen demand determination
chemical oxygen demand(COD) concentration
chemical oxygen demand(COD) modelling
chemical oxygen demand(COD) removal efficiency
chemical oxygen demanded