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生物 せいぶつ化学 かがく的 てき酸素 さんそ要求 ようきゅう量 りょうじゃなかった
seibutsuka gakuteki sansoyō kyūryōjanakatta

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Noun
, 
Da Copula

The past negative form of 生物化学的酸素要求量

1. Was not biochemical oxygen demand.

Past/Perfective
, 
Negative

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生物化学的酸素要求量じゃなかった

生物化学的酸素要求量じゃなかった【せいぶつかがくてきさんそようきゅうりょうじゃなかった】 Activity

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