On-line autoregulation on flow equation of multilevel pump stations system.
进行了多级泵站中转桨泵在线自动调节输水系统流量平衡的动态仿真计算。
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The blade angle of controllable pitch propeller should be examined and adjusted.
可变螺距螺旋浆的桨叶需要检查与调整.
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As time went on everyone except the rowers began to shiver with cold.
时间一分钟一分钟地过去，除了划桨的人之外，人人都冻得浑身哆嗦起来。
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Moreover, they are also quieter, as they are not driven by an airscrew.
此外，由于不用空气螺旋桨驱动，所以噪音也比较小。
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Hardness Decreasing Reason of Airscrew Bush Parts of Helicopter after Heat Treatment
直升机旋翼桨根衬套热处理后硬度降低的原因
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建立了倾转旋翼机的螺旋桨动力学模型，分析研究了倾转旋翼机滚动通道模型。
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气垫船动力系统增加了为气垫供气用的垫升风机，同时采用空气螺旋桨推进，整个动力系统设计复杂。
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Air propeller is the tool which transforms the power of aerial engine to the thrust of aircraft.
空气螺旋桨是把航空发动机的动力转化为飞行器推进力的工具。
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A Numerical Simulation of Viscous Flow Field of a Circulation Control Propeller with Low Pitch Ratio
低螺距可控环量螺旋桨粘性流场的数值模拟方法
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And while both Malaysian aircraft were Boeing 777 jets, turboprop planes are more likely to crash.
马航失事的两架客机都是波音（Boeing）777喷气式飞机，相比之下，涡轮螺旋桨飞机更有可能发生坠机事故。
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