developed planform[航] 展开平面形
channel planform河道平面形态
planform shape平面形状
projected planform投影平面形;[航] 投影平面图
irregular planform不规则平面
nozzle planform喷管截面形状
planform loading底面气垫载荷
Delta planform三角翼
wing planform机翼平面形状
rectangular planform矩形机翼平面形状
N（名词） the outline or silhouette of an object, esp an aircraft, as seen from above 俯视图