变刚度圆柱螺旋弹簧
Cylinder Helix Spring with Variable Stiffness
圆柱形螺旋弹簧
cylindrical spiral spring
cylindrical helical spring
变刚度螺旋弹簧
Variable stiffness coil spring
variable stiffness spiral spring
不等节距圆柱螺旋弹簧
variable pitch cylindrical helical spring
非圆柱螺旋弹簧
non-cylindrical spiral spring
圆柱螺旋弹簧
cylinder spiral spring
column spiral spring
cylinder coil spring
cylindrically coiled belieal compressive spring
cylindrical spring
cylinder helix spring
cylindrical spiral spring
cylindrical helical spring
Cylindrical-helix Spring
Helical springs
cylinder helical spring
Cylinder helix sping
Crlindrical Helical spring
Cylinder helical springs
河床纵向及横向变形
longitudinal and transverse bed deformation
扁圆形棱柱螺旋弹簧
oblate prism spiral spring
分度圆柱螺旋角
helix angle at reference cylinder
均变圆柱螺旋线
equal changeable column helical curve
圆柱螺旋曲面
Cylindrical spiral curved surface
中凸形螺旋弹簧
barrel-shaped helical spring