输卵管位于卵巢游离缘外侧，呈半圆形围绕着卵巢，输卵管壶腹部弯曲、峡部直；
Oviduct is located besides of unfix side of ovary that forms a hemicycle around ovary.
结果，圆形样品测试中，两个壶型核部分没有完全压紧，出现了不必要的空气缺口。
It turns out that, in the prototype samples we tested, the two pot-core halves were not completely pressed together, thus creating an unwanted air gap.
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