constant chord blade [动力] 等截面叶片
mean blade chord 叶片平均翼弦
chord of blade 叶片弦
wide chord blade 宽弦叶片
wide chord fan blade 宽弦风扇叶片
blade-section chord 叶片剖面弦长
variable chord blade 变截面叶片
wide-chord hollow fan blade 宽弦空心风扇叶片
Other causes include the out - of - tolerance of blade chord width between adjacent blades, the undersize contact area of serrated working side and the local wearing of non - working side.
而相邻原机件叶片弦宽尺寸超差，锯齿形工作接触面积小，以及非工作面局部碰磨，是引发故障的次要因素。
The influences of re based on the blade chord length and coolant-gas flux ratio are tested, and comparison is made between the effect of the converging-expanding hole rows and cylindrical hole rows.
研究了基于叶片弦长的主流雷诺数和二次流-主流流量比对冷却效率的影响，并与叶片上圆柱形孔排的气膜冷却效率分布进行了对比。
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