blade design
网络模拟器
刀片设计
叶片设计
叶型设计
叶片造型
桨叶设计
叶片造型设计
设计方法
full wrap design blade stabilizer
open design blade stabilizer
overlap design blade stabilizer
the crossing section design
the Vertical section design
trapezoidal section design
Build section and horizontal section
Cold Drawn Section Steel of Rectangular Section
Cutting section by section
enriching section rectifying section
positioning section by section