“water quality grade”的概念、定义、翻译、参考文献-科学参考

单词	water quality grade
释义	water quality grade Encyclopedia 工学水环境质量释 water quality grade水质等级依据不同水域环境的功能和保护目标，按照功能高低依次划分的等级。又称水质级别。
随便看	spatio-temporal reasoning spatter spattering spattering dye spawning spawning migration SPB type cargo tank system SPC SPD SPDE SPE Speachat the Enlarged Working Conference of the Central Committee of the Communist Party of China speaker speaker distortions speaker identification speaker innovation speaker recognition speaker sensitivity speaker verification speak for organization speaking and singing art speaking and singing art skills of Quyi speaking rate Speak Mandarin Campaign SPE Annual Conference

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