The characteristics of fluid flow in the mould of two ports SEN and four ports SEN have been compared and the influences of SEN on the level fluctuation are investigated by water modeling experiment.
比较研究了薄板坯连铸用二孔型水口和四孔型水口流场特征，水模试验结果表明，采用两种水口的薄板坯结晶器流场均存在非稳定性现象。
The McCain campaign said Sen. Obama's attempts to define Sen. McCain won't stick because voters have high regard for Sen. McCain's national service.
麦凯恩竞选阵营回击道，奥巴马攻击麦凯恩的企图不会奏效，因为选民们对麦凯恩为国效力的经历抱有高度敬意。
The McCain campaign said Sen. Obama's attempts to define Sen. McCain won't stick because voters have high regard for Sen. McCain's national service.
麦凯恩竞选阵营回击道，奥巴马攻击麦凯恩的企图不会奏效，因为选民们对麦凯恩为国效力的经历抱有高度敬意。
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