1骨盆最宽平面前后径occipitofrontaldiameterofthemostbroadlevelofpelvis2骨盆最窄平面前后径occipitofrontaldiameterofthemostcontractionlevelofpelvis3骨盆出口平面前后径occipitofrontaldiameterofpelvicoutletlevel4骶岬promontory5真直径realdiameter6产科直径obstetricdiameter (共 513 字) [阅读本文] >>