Methods All 78 cases were divided into 4 groups according to the degree of pain,designed in dividual plan,and step analgesia from weak to strong.是什么意思_Methods All 78 cases were divided into 4 groups according to the degree of pain,designed in dividual plan,and step analgesia from weak to strong.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句