sprues

1.【冶】浇口,注入口;熔渣

2.【医】口炎性腹泻

1.a vertical channel in a mould, used to pour in molten material

2.a tropical disease of unknown origin involving deficient absorption of nutrients from the intestine and marked by persistent diarrhoea, weight loss, and anaemia

3.a piece of waste material from moulding plastic or metal, especially one of the supporting pieces that connect small parts moulded at the same time