我船是双螺旋桨。
Do we have a single propeller or twin propeller?
我船是单螺旋桨还是双螺旋桨船？
This paper investigates the turning motion of a twin propeller twin rudder ship in regular waves.
本文研究了双桨双舵船在规则波中的回转运动。
Television footage showed the tail of the twin-engined propeller plane visible amid the burning wreckage.
电视画面显示在燃烧的飞机残骸中可以看到这架双引擎螺旋桨飞机的尾巴。
A new method for analyzing twin-blade fixed-pitch propeller was proposed based on the theory of corrected blade foil and aerodynamic formula of 3-d wing.
基于叶素修正理论和三维机翼气动系数计算公式，提出了一种分析双叶定距螺旋桨的新方法。
In recent days, however, several recording results of a new twin-propeller ship gotten in sea trial indicated that the outside propeller's load is always heavier than the inside one.
但新近完成的某双桨船的回转试验的多个实测结果表明：外侧螺旋桨负荷远大于内侧螺旋桨负荷。
Because of the influence of the hull, the stern propeller of a twin-screw vessel is working under condition of oblique flow, and the unsteady working condition of the blade of a propeller is created.
由于船体的影响，双桨船的螺旋桨处于斜向来流的条件下运转。斜流造成螺旋桨叶工作状态的非定常性。
Because of the influence of the hull, the stern propeller of a twin-screw vessel is working under condition of oblique flow, and the unsteady working condition of the blade of a propeller is created.
由于船体的影响，双桨船的螺旋桨处于斜向来流的条件下运转。斜流造成螺旋桨叶工作状态的非定常性。
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