Normally, if the head is at 0 Station, the biparietal diameter is at the pelvic inlet and the head is fully engaged.是什么意思_Normally, if the head is at 0 Station, the biparietal diameter is at the pelvic inlet and the head is fully engaged.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句