When the amount of the chemical active agent is control, A pitchbond refractory with high carbon content and high strength is obstained.
控制化学活性物质的加入量，可制得高残碳、高强度的优质沥青结合耐火材料。
The content of active component was not as high as possible, it had a certain relationship with mechanical strength which was directly related to the desulfurizer of the re-use.
活性组分的含量不是越高越好，它与脱硫剂的机械强度有一定的关系，而机械强度则直接关系到脱硫剂的重复使用。
The content of active component was not as high as possible, it had a certain relationship with mechanical strength which was directly related to the desulfurizer of the re-use.
活性组分的含量不是越高越好，它与脱硫剂的机械强度有一定的关系，而机械强度则直接关系到脱硫剂的重复使用。
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