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Among several factors, dip Angle of coal seam is the most important factor affecting the height of the three zones.
在诸多的影响因素中,煤层倾角是控制“三带”高度的最主要因素。
youdao
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Among several factors, dip Angle of coal seam is the most important factor affecting the height of the three zones.
在诸多的影响因素中,煤层倾角是控制“三带”高度的最主要因素。
youdao