tap hole 放出口 ; 螺孔 ; 融液出口
tap hole plug stick 出铁口塞杆
tap-hole plug 放液孔塞
tap-hole bar 开口钎
pressure tap hole 压力表接口
tap-hole gun 泥炮
tap-hole clay 堵口泥
tap-hole launder 放出口流槽
tap hole machine 开铁口机
N a hole in a furnace for running off molten metal or slag 出铁口; 出渣口
By means of crushing and conditioning the size ratio, fettle material and mud powder to plug tap-hole for electric refining furnace use were developed.
通过加工破碎，调整粒度及配比等工艺参数，研制开发出铁合金精炼炉补炉料及堵眼粉。
It hums like a bee on the tea-table, and the steam rises in a little jet from a tiny hole in the top. The boiling water comes out of a tap at the bottom.
放在茶几上，它会像蜜蜂一样嗡嗡作响，蒸汽从顶上的一个小孔钻出来往上升，热水可以从下边的一个水龙头放出来。
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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