先后从国内为引进各种先进的管理模式和先进生产设备。
Successively from the domestic introduction of advanced management mode and advanced production equipment.
海堤上的两位年轻男士伸手将汤姆和我先后从海里拉了上来。
Two young men put out their arms. They helped us out of the water, first Tom and then me.
在一段录像中，一只鳟鱼在水缸里游动，这时一组涡流先后从它的两侧靠近。
In one video, a trout swims in a tank as eddies come toward it, first from one side and then from the other.
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