仅有几项研究提供了有关病原体数据并且强调了革兰氏阴性杆菌的重要性，特别是在手术部位感染和呼吸机相关肺炎研究中提供了上述数据。

Data on causative pathogens were available from a few studies only and highlighted the importance of Gram-negative rods, particularly in surgical site infection and ventilator-associated pneumonia.

youdao

仅有几项研究提供了有关病原体数据并且强调了革兰氏阴性杆菌的重要性，特别是在手术部位感染和呼吸机相关肺炎研究中提供了上述数据。

Data on causative pathogens were available from a few studies only and highlighted the importance of Gram-negative rods, particularly in surgical site infection and ventilator-associated pneumonia.

youdao