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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