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生化需氧量【shēng huà xū yǎng liàng】

(environmental science) biochemical oxygen demand; BOD

生化需氧量【shēng huà xū yǎng liàng】

(environmental science) biochemical oxygen demand; BOD

生

1

含义life, living, lifetime; birth

拼音shēng

化

3

含义change, convert, reform; -ize

拼音huà

需

3

含义need, require, must; hexagram ䷄

拼音xū

氧

4

含义oxygen (element 8, O)

拼音yǎng

量

2

含义measure, quantity, capacity

拼音liàng