Longitudinal pitch trajectory angle of blade edge
trace angles α(c) of blade edge in movin
Leading Edge
前
翼前缘
前缘形状
前导边缘
进气边
前缘
导缘
前沿
起首零位
稀疏分布
[脉冲]前沿
前行坑道
leading edge sub-faces of delta
the leading edge of the Kuqa foreland fold-thrust belt
180 helix blade with mid-split
3-D design of impeller’s blade