blast shaft forming 爆破成井
circular blast shaft 圆形透风井
longhole blast shaft forming 深孔爆破成井
blast furnace shaft 高炉炉身
longhole blast shaft forming method 深孔爆破成井法
low-shaft blast furnace [冶] 矮高炉
The phenomenon of sinter degradation takes place in the upper shaft of blast furnaces.
烧结矿在高炉炉身上部会发生低温还原粉化现象。
A two dimensional mathematic model is built up to simulate the blast flow status inside shaft lime kiln.
建立了竖炉石灰窑气体流动二维数学模型，模拟出了竖炉石灰窑内气体流动状态。
In addition, our experiments also indicate that the best depth of blast hole is close to shaft radius.
此外，试验还表明最佳的炮孔深度接近于井筒的半径。
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