leadingsBNC¹⁷³⁹⁹⁵⁺² 基本例句 🌏率先原型leading的复数 Conclusion: Abnormal cord is an important factor which influences the growth and prognosis of perinatal infant, droop and torsion of cord are the leadings cause of perinatal infant death. 结论：脐带异常是影响围产儿生长和预后的重要因素。脐带脱垂、脐带扭转是造成围产儿死亡的主要原因。 d.wanfangdata.com.cn