表面覆盖有高丘的雪面波纹。
结果表明文丘里喉部对提高脱硫效率起到了关键作用，SO_2的高浓区位于壁面附近的局部区域；
The results showed that the venturi laryngeal is important to improve the desulphurization efficiency, the higher concentrations of SO_2 locate in the area close to the wall.
结果表明文丘里喉部对提高脱硫效率起到了关键作用，SO_2的高浓区位于壁面附近的局部区域；
The results showed that the venturi laryngeal is important to improve the desulphurization efficiency, the higher concentrations of SO_2 locate in the area close to the wall.
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