By the way of investigation on the type of questions and answers,looking up the medical history and interview differently,the authors investigated 486 parturients who had delivered in two district?level MCH hospitals.是什么意思_By the way of investigation on the type of questions and answers,looking up the medical history and interview differently,the authors investigated 486 parturients who had delivered in two district?level MCH hospitals.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句