Central gating for this type of impression can, however, lead to complications in multi-impression moulds as either an underfeed mould(Chapter 12) or a hot runner mould (Chapter 13) will be required.

• 可是这类型腔采用中心浇口可能要求使用一种点浇口。（第12章）或热流道模具（第13章）使得多型腔模具的复杂性增加。