tap-hole gun 泥炮
If a gun tap or spiral fluted tap cannot be used, a three fluted tap which permits extra chip space, is recommended.
如果螺尖丝锥或者螺旋槽丝锥不能被使用，推荐使用具有较大排屑槽的三槽丝锥。
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。
应用推荐