Read Edit View history 生化需氧量 shēnghuàxūyǎngliàng biochemical oxygen demand Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 生化需氧量 · shēnghuàxūyǎngliàng · biochemical oxygen demand 2026/03/04 生化需氧量 shēnghuàxūyǎngliàng biochemical oxygen demand biochemical oxygen demand (BOD) 监测水的生化需氧量有助于评估污染程度。 created sense Mar 4, 2026, 02:25 AM