As the depth of burst increases the amount of energy going into the air blast wave decreases.
随着爆炸深度的增加，转化为空中爆震波的能量便减少。
The gas from blast furnace is useful for heating purpose. But it contains a considerable amount of dust, so it must be cleaned before used as a fuel.
高炉煤气用来加热很有用。但它含有大量的灰尘，所以在用作燃料之前必须经过除尘。
The Isa technology comprises blowing a certain amount of blast air and oxygen through the lance into the molten bath consisting of concentrate, fluxes and reverts.
艾萨技术包括通过喷枪向熔池喷吹一定量的空气和氧气，同时向熔池内加入精矿、熔剂和返料。
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