Việt
sự uốn cong
sự uốn cong trong hai mặt phẳng
Anh
incuration
bending in two planes
bend-over
bowing
crock
crooking
curve
curving
deflection
flexion
inflexion
sinuosity
bending in two planes, bend-over, bowing, crock, crooking, curve, curving, deflection, flexion, incuration, inflexion, sinuosity