采用特殊设计的气体引出方式，大大缩短了油气在沉降器内的平均停留时间。
The average residence time of oil gases in the disengager is also shortened by adding an unique device for gas withdrawl.
型挡墙，冲击区体积较小，钢液混合不均匀，钢液在整个中间包内的平均停留时间较短。
The pound region volume of the baffle C type is still too small, so the liquid steel can't mix sufficiently, and the average residence time in the tundish is short.
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