tap hole

基本解释

Dust collecting unit shall work for dedusting of the tap hole and the outlet of the hot-metal ladle.
集尘单位工作，应为除尘的水龙头孔和插座的热点-金属包。
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At present, tap hole drills used in blast furnace are classified as pneumatic, electric and hydraulic.
目前，高炉开铁口机根据动力源可以分为气动、电动、液压三种类型。
Eroded thickness in self-baking carbon brick below tap hole central line appears as gradual increase because of enhancing permeability of hot metal to the brick.
自焙碳砖的侵蚀从铁口中心线向下侵蚀厚度增加的原因是铁水对自焙碳砖渗透性增强的结果。

It falls into the basket and that completes a hole. If for some reason the discdoesn't fall into the basket, you still need to tap out and into the basket."