The expansion ratio is related to the liquid flow rate, fluidization velocity and free descending velocity of the packing material.
填料膨胀率的大小与液体流量、填料的流化速度及自由沉降速度有关。
Its processes the liquid with harm ion, by descending to the exhaustion standard through the methods, such as electrolysis, chemistry, ion exchange and the film separation etc.
把含有害离子的废液，经由电解、化学、离子交换、膜分离等方法下降至排放标准。
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