短语词组短语stage of cervical dilation 子宫颈开张期average cervical dilation 宫颈软化hand cervical dilation 徒手扩张宫颈incomplete cervical dilation 子宫颈扩张不全Failure cervical dilation 释义子宫颈扩张失败Dilation cervical canal 宫颈管扩张术 返回 cervical dilation