1、螺纹孔
...轮廊Contour螺纹孔Tapping Hole连接件Fittings ...
2、[矿业]放出口
... tandem support system 串联液压支架推进法 tapping hole 放出口 telegraph chute 挡板式溜眼 ...
3、出铁口
...出铁口隔渣板：dam plate出铁口，流出孔：tapping hole出式熔贮炉：bale-out furnace,die casting ...
4、流出孔
... 出铁杆tapping bar 出铁口，流出孔tapping hole 出铁口熔渣flux ...
Tapping-hole Clay堵口泥
steel tapping hole出钢口
Ladle tapping hole fillers钢包引流砂
steel-tapping hole[冶] 出钢口
tapping hole and plug螺纹孔与螺塞
monolithic steel tapping hole整体出钢口
tapping hole level妯钢口高度
Parker Tapping Hole Breaker出渣口断路器打壳缸
tapping hole clay炮泥