At last he turned that speed straight up into a long vertical slow-roll.
最后他改变速度，来一个长时间的垂直慢滚。
Vehicle shaft, ship shaft, high speed roll, etc.
车辆用轴、舰船用轴、高速轧辊等。
The ship roll damping ability at low, speed is analyzed.
最后依据试验数据分析了船舶在低航速下的减摇能力。
Design decision of complete machine, compact conformation and high speed full auto roll alternation.
整机设计精致，结构紧凑，高速全自动。
Design decision of complete machine, compact conformation and high speed full auto roll alternation.
整机设计精致，结构紧凑，高速全自动。
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