Proposes the two sets of indices, efficiency factor of contaminant source (EFCS) and efficiency factor of supply air (EFSA), and each set includes three indices.是什么意思_Proposes the two sets of indices, efficiency factor of contaminant source (EFCS) and efficiency factor of supply air (EFSA), and each set includes three indices.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句