Through study on the structure of children potable water cup and existed technology problems in injection forming, an injection mould with one module and two cavities were determined.
通过对饮水杯盖产品结构和注射成型的工艺分析，确定了该塑件的注射模结构为一模两腔。
It alternates one full module with two empty ones, which correspond to the window openings. Together with the core of the circulation, this ensures the building's structure.
设计以两个空的模块取代一个满的模块，以对应开窗方式，和循环核心一起，保证了建筑物的结构。
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