它用于整流条件差且轮毂比小的空冷风机上有明显的节能效果。
It has evident effect of energy saving on the use of air cooling fan with poor rectifying condition & small hub ratio.
轮毂比0.325时，周向平均径向速度分布出现明显“畸变”。
The circumferentially averaged velocity distribution of the radial velocity is distorted when the hub/tip ratio is 0.325.
在进行经济技术性分析后，最终确定风机的设计方案，进而确定通风机适当的级型式、叶轮尺寸、轮毂比、转速和叶片数等基本参数。
Final design scheme is confirmed after economic and technical analyse. Then, axial fan 's stage type, impeller diameter, hub ratio , specific speed and the number of blades are decided.
齿轮在轮毂或轴上旋转，带动其它一些齿轮，后者则可以比前者转得快或慢，这取决于基本齿轮的齿数。
The gear spins on the wheel hub, drives the other gears, which, according to the number of the teeth, spin faster or slower than the original one.
把不同高度的数据都作为神经网络的输入比只采用轮毂高度数据的预测精度高；
The results which using the atmospheric data at all different heights as input have a higher accuracy when compared with the results using hub height data only.
轮毂是唯一要便宜得多，比伪造钢圈由于制造的过程。
Casted rims are much cheaper than forged rims due to the manufacturing process.
独有的高强度合金轮毂，比工业尼龙轮毂具有强度高，韧性好，寿命长等特点。
Special high intensity alloying wheel, more higher intensity than industrial, Nelon wheel, with fine ductile and long service life.
独有的高强度合金轮毂，比工业尼龙轮毂具有强度高，韧性好，寿命长等特点。
Special high intensity alloying wheel, more higher intensity than industrial, Nelon wheel, with fine ductile and long service life.
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