Further, a catheter may be configured to have a crosssectionalprofile or a predefined flexibility along its entire length that causes the catheter to bend, curve or move in a predefined direction.
The new flap keeps essentially the same profile, but with a reduced crosssectional area at its extremities.
新副翼的形状在总体上保持不变，不过在其末端的横截面积却变小了。
3
Design includes highway route alignment, Horizontal alignment design, Profile design, cross-sectional design, embankment design, road design, and several main parts.