propeller-
The rope fouled the propeller .
绳索缠住了螺旋桨。
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The engine turned a propeller .
发动机使螺旋桨旋转起来。
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With a low-pitched rumbling noise , the propeller began to rotate .
伴随着隆隆的低沉噪声，螺旋桨开始旋转起来。
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A rope jammed the boat 's propeller
一根绳子卡住了船的螺旋桨。
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The freighter fouled its propeller in fishing nets .
货船的螺旋桨被渔网缠住了。
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Stay away when the plane 's propellers are spinning .
飞机的螺旋桨在快速旋转时，要离得远一些。
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The propeller blade has been mounted .
推进器的叶片已经安装好了。
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But all these concepts are massively expensive , require safety certification standards for road and air , need dual controls , involve complex folding wings and propellers , and have to be flown from air-strips .
但要实现所有这些概念花销巨大，需要陆上和空中的安全认证标准，需要双重控制，需要复杂的折叠机翼和螺旋桨，还得从飞机跑道起飞。
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A : " What 's the purpose of the propeller ? "
A：飞机的螺旋桨有什么用？
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The propeller started to spin around .
螺旋桨开始飞快地旋转起来。
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The timing of the gun was precisely synchronized with the turning of the plane 's propeller .
风门的调速与飞机螺旋桨的转动精确同步
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The engine reciprocates the propeller .
引擎往复推动螺旋桨
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The design of propeller is a very important part of ship design .
螺旋桨设计是船舶设计中重要的组成部分。
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Research of a Novel Marine Propeller Characteristic Real-time Simulation System
新型船用螺旋桨特性实时仿真系统研究
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A study about parameters selection for hydraulic model design of propeller pumps
轴流泵水力模型设计参数选择的研究
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Research on Closed Loop Control of Torpedo Heat Engine Propeller System
鱼雷热动力推进系统的闭环控制研究
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Some problems of propeller design for high speed ship
高速船螺旋桨设计若干问题
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Private Enterprises : the Propeller of the Development of the West Economy
民营经济：西部经济发展的助推器
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Study on the Jet Propeller Power System of the Engineering Dredger
工程清淤船喷射推进动力系统研究
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Research on Pulse Plasma Propeller Model in Water Medium
水介质中脉冲等离子体推进模型的研究
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How to Improve Installation Efficiency of Large and Medium Propeller Pump
浅谈提高大中型轴流泵装置效率
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Theoretical analysis and experiments have been done for the propeller regulating system .
对该螺桨调速系统进行了理论分析和实验研究。
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Application of images processing in propeller blades stress distribution experiment
图像处理技术在桨叶表面应力分布试验中的应用
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Optimization Design of Cleaning Plant for Propeller on Water
螺旋桨水上清洗装置的优化设计
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Analysis on different treatments of boundary condition for propeller design based on lifting surface theory
螺旋桨升力面设计边界条件的处理分析
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Thick Shell Element Method of Stress Analysis of Propeller Blades
螺旋桨桨叶固有动力特性方法研究螺旋桨强度的厚壳元分析
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Prediction of Unsteady Pressure Distribution on Surface of Propeller by Surface Panel Method
面元法预报螺旋桨表面非定常压力分布
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State-of-the-art of new counter - rotating propeller development in the world
国外新型对转螺旋桨系统研制现状
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SPECIAL EQUIPMENT - A New Device for Testing the Propeller in Oblique Flow
螺旋桨斜流试验装置
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Advantage and Application of Large Diameter and Slow Turning Screw Propeller
大直径低转速螺旋桨的收益及其应用