top diameter

• 梢头直径,顶径

top diameter的用法和样例：

例句

1. Normally, if the head is at 0 Station, the biparietal diameter is at the pelvic inlet and the head is fully engaged.
   通常，如果胎头处于零点位置，双顶径与骨盆口契合，那么胎头可以充分进入。