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某健康妇女,进行查体,其骨盆形态各径线均正常。骨盆入口平面前后径平均值为() ["11cm","12cm","13cm","14cm","15cm"]
关于胎膜早破,下列哪项描述是错误的() ["胎膜早破发生于临产前","破膜12小时后,给予抗生素预防感染","破膜后,阴道液呈碱性","破膜24小时后,应立即终止妊娠","应积极预防脐带脱垂"]
某健康妇女,进行查体,其骨盆形态各径线均正常。中骨盆平面前后径平均值为() ["11cm","11.5cm","12cm","12.5cm","13cm"]
简述无捻纺纱的优缺点。
德国教育督导职责有哪些?