psychrotrophic bacteria　是什么意思_psychrotrophic bacteria　用英语怎么说_psychrotrophic bacteria　的翻译_psychrotrophic bacteria　翻译成_psychrotrophic bacteria　的中文意思_psychrotrophic bacteria　怎么读,psychrotrophic bacteria　的读音,psychrotrophic bacteria　的用法,psychrotrophic bacteria　的例句