fixed blade propeller turbine 定桨式水轮机
fixed-blade propeller 定距螺旋桨
fixed-blade propeller wheel 定轮叶旋桨式水轮
fixed-blade propeller turbine 轴流定桨式水轮机 ; 定轮叶旋桨式水轮机
fixed blade propeller type turbine 定轮叶旋桨式水轮机 ; 定桨式水轮机
fixed blade propeller type wheel 定桨式水轮
fixed-blade propeller type turbine 轴流定桨式水轮机
fixed blade propeller water turbine 轴流定桨式水轮机
fixed ammonia blade propeller 固定桨叶螺旋桨
There iss strong vibration in the draft tube of a Francis turbine or axial flow fixed blade propeller hydraulic turbine when the turbine is running on part loading.
混流和轴流定浆式水轮机在部分负荷下运行时，尾水管中常出现较为强烈的振动。
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。
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