quality decline是什么意思


中文翻译质量下降

网络释义

1)quality decline,质量下降2)image degradation,图象质量下降3)environmental degradation,环境质量下降4)degradation of phosphate rock quality,磷矿质量下降5)decrease in coal quality,煤质下降6)constitutional decline,体质下降

用法例句

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