So, how studies can accurately prediction to the contra-rotating propeller hydrodynamic performance is more important.
所以，研究如何更能准确地预报对转螺旋桨水动力性能更为重要。
The thrust and the torque of the contra-rotating propeller has been calculated by this method, and its result is satisfying on the comparison and the analysis with the actual value.
通过该方法计算了对转螺旋桨的推力和转矩，并与实验值进行了比较和分析，其结果令人满意。
The X2 uses a pusher propeller mounted at the rear and has a pair of contra-rotating main rotors, one positioned above the other.
它使用一个安装在后面的推进式螺旋桨并有一对一上一下反向旋转的主旋翼。
Can be used in ship industry, cold water treatment, sea water and cold oil, Low pressure valves, rotating equipment, and reciprocating pump hydraulic squeeze machine, the ship propeller equipments.
可应用于船舶行业、冷水处理、海水及冷油上；低压阀门，旋转设备，及往复泵液压榨机，轮船螺旋桨等设备。
In this paper the author emphasizes the importance of balancing the rotating parts, such as crankshaft, flywheel, propeller shaft, wheel and tyre, etc. during automobile repair.
分析了汽车维修中曲轴、飞轮、传动轴、车轮、轮胎等旋转零件进行平衡试验的重要性。
In this paper the author emphasizes the importance of balancing the rotating parts, such as crankshaft, flywheel, propeller shaft, wheel and tyre, etc. during automobile repair.
分析了汽车维修中曲轴、飞轮、传动轴、车轮、轮胎等旋转零件进行平衡试验的重要性。
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