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1·The increase of the deepness of the tap hole will reduce the flow on the bottom of hearth.

死铁层深度加大时，通过炉底的铁水流量减小。

2·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。

3·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。

4·One hydraulic operated tap hole driller and one 0.16 m3 hydraulic clay gun to be installed at the same side of the tap hole is foreseen.

其中液压启闭塔孔钻机和一个0.16立方米液压泥炮将安装在同一侧的塔孔预见的。

5·The process of recovery of refractories for ladle and the application of recovery material in blast furnace tap hole clay are introduced emphatically.

重点介绍对用后钢包浇注料的回收工艺及回收物料在高炉铁口炮泥中的应用。

6·The tap hole gun mud made by our factory features high plasticity, fast drying and easy reopening and is now widely used in tap holes of large and medium blast furnaces at home.

我厂生产的出铁口炮泥具有塑性高，干结快，再次开口容易等特点；目前广泛用于国内大中型高炉出铁口。

7·there has no screw thread on the installation hole on head of water-cooling. It's difficult to install it by the screw tap which along the products.

产品有以下缺陷：水冷头上的安装孔没有螺纹，用配带的自攻螺丝安装非常困难。

8·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。

9·The invention discloses a screwdriver which can tap the hole, belonging to the field of hardware tools.

本发明属五金工具领域，是一种能对孔进行攻丝的螺钉旋具。

10·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。