Production of Validamycins from Crude Substrates by Streptomyces hygroscopicus in an External-loop Airlift Bioreactor with a Low Height-to-Diameter Ratio是什么意思_Production of Validamycins from Crude Substrates by Streptomyces hygroscopicus in an External-loop Airlift Bioreactor with a Low Height-to-Diameter Ratio在线翻译_英语_读音_用法_例句