aboral pole

The structure characteristics of inverse jaw bottle lid were analyzed, and the design point and work procedure of injection mould for inverse lid were introduced.

分析反口盖的结构特点,介绍反口盖注射成型模具设计的要点及模具的工作过程。

Aboral pore was closed in motionless state.

在２３０个水螅（Ｐｅｌｍａｔｏｈｙｄｒａｐｓｅｕｄｏｌｉｇａｃｔｉｓ）中观察到３８例反口孔排物过程。