biological degradation
biological degradation
[农学英汉词典]
biological degradation生物降解
是什么意思，biological degradation的解释，biological degradation的翻译
[新英汉石油技术词典] biological degradation
[农牧林英汉词典] biological degradation
[环境英汉词典] biological degradation
[石油英汉词典] biological degradation