A modified form of sprue gate is also used on underfeed moulds and runnerless moulds.

在点浇口式的模流道模中也用到另一种式主流道。

The molding method,process,and the equipment of thermoset runnerless injection molding have been discussed in this paper.

论述了流道热料注射成型的方法、工艺、设备和模设计方面的问题。