The less difference between the coal and the sulfur fixation grain diameter, the efficiency is better.

煤样粒径与固硫剂粒径相差越小固硫效率越高；

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The less difference between the coal and the sulfur fixation grain diameter, the efficiency is better.

煤样粒径与固硫剂粒径相差越小固硫效率越高；

youdao