短語(yǔ)詞組短語(yǔ)Improvement of indicator organism 測(cè)定菌選育pollution indicator organism 污染指示微生物environmental indicator organism 環(huán)境指示生物indicator organism for atmospheric pollution 大氣污染指示生物indicator organism for water pollution 水污染指示生物indicator organism of environmental pollution 環(huán)境污染指示生物pollution organism indicator 污染生物指標(biāo) 返回 indicator organism