surface-piercing foils
/ˈsɜːfɪspˈiəsɪŋ ˈfɔɪlz/
n
English · surface-piercing foils中文 · 水翼Español · aleta de penetración superficialFrançais · ailes en V
Bedeutung：Parts that lift the boat when cruising speed has been reached; they also stabilize the boat.