叶背面具一不规则的不连续的毛被。
Abaxial leaf surface with a patchy discontinuous indumentum.
有稀少似羊毛的绒毛层的小枝；叶背面脉具白色的毛和具具稀疏蛛丝状毛。
Branchlets with sparse woolly tomentum; abaxial veins of leaves with white hairs and with sparse arachnoid tomentum.
采用数值模拟的方法，研究了涡轮叶片尾缘斜劈缝气膜冷却的流场特性，及其对叶背面尾缘温度分布的影响。
Numerical methods are used to investigate the film cooling effect of turbine guide vane's trailing edge.
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