molding cavity的用法和样例：
例句
- The core-pulling and demolding mechanism of an injection mould for the deep cavity part were introduced.
分析了一种典型深型腔注射模的结构及设计要点。 - Important considerations are the rate at which a mold cavity is filled ,gate placement ,riser design ,the use of chill blocks, and padding.
着重集中在型腔如何灌注，进模口的布置，冒口的设计，冷硬试件的使用，垫模这些方面。
